Common Weakness Enumeration
CWE-269
DiscouragedImproper Privilege Management
Abstraction: Class · Status: Draft
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
6483 vulnerabilities reference this CWE, most recent first.
CVE-2026-20890 (GCVE-0-2026-20890)
Vulnerability from cvelistv5 – Published: 2026-08-11 16:26 – Updated: 2026-08-12 15:35
VLAI
EPSS
VEX
Summary
Improper privilege management for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 2: Privileged Process may allow an escalation of privilege. Unprivileged software adversary with an unauthenticated user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (low), integrity (low) and availability (high) impacts.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-12 15:33 UTC
CWE
- Escalation of Privilege
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Intel(R) PROSet/Wireless WiFi Software for Windows |
Affected:
See references
|
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CVE-2026-20308 (GCVE-0-2026-20308)
Vulnerability from cvelistv5 – Published: 2026-08-05 16:19 – Updated: 2026-08-05 17:45
VLAI
EPSS
VEX
Title
Cisco IOS XE Software Web-Based Management Interface Vulnerability
Summary
A vulnerability in the web-based management interface of Cisco IOS XE Software could allow an authenticated, remote attacker with low privileges to perform a denial of service (DoS) attack against an affected device.
This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the web-based management interface to become unresponsive.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 17:34 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Affected:
17.2.1a
Affected: 16.12.1y Affected: 16.12.3s Affected: 16.12.1w Affected: 16.9.1d Affected: 17.3.1 Affected: 16.9.4c Affected: 17.2.1 Affected: 16.9.1b Affected: 16.9.2s Affected: 16.12.4 Affected: 16.12.3a Affected: 17.1.1s Affected: 16.11.1a Affected: 16.11.1b Affected: 16.9.1s Affected: 16.9.3h Affected: 16.9.1c Affected: 16.10.1f Affected: 17.2.1v Affected: 16.9.3a Affected: 16.12.1a Affected: 16.12.1x Affected: 16.10.1c Affected: 16.12.3 Affected: 16.11.2 Affected: 16.12.2s Affected: 16.10.1b Affected: 16.9.6 Affected: 16.9.2 Affected: 16.10.1 Affected: 16.12.1t Affected: 16.9.1 Affected: 16.9.3s Affected: 16.12.2 Affected: 16.11.1 Affected: 16.9.3 Affected: 16.11.1s Affected: 16.12.1 Affected: 17.1.1 Affected: 17.1.2 Affected: 16.10.1d Affected: 17.1.1t Affected: 16.9.4 Affected: 16.12.2t Affected: 16.9.5 Affected: 16.10.1e Affected: 16.10.1a Affected: 16.12.1z Affected: 16.9.1a Affected: 16.9.5f Affected: 16.10.1g Affected: 16.9.2a Affected: 16.10.3 Affected: 16.11.1c Affected: 16.10.1s Affected: 17.2.1r Affected: 17.1.1a Affected: 16.10.2 Affected: 16.12.2a Affected: 16.12.1c Affected: 16.12.1s Affected: 17.2.2 Affected: 16.9.8 Affected: 16.9.7 Affected: 17.1.3 Affected: 17.3.1a Affected: 17.3.2a Affected: 16.12.5 Affected: 17.3.1w Affected: 17.3.2 Affected: 17.4.1 Affected: 16.12.4a Affected: 17.4.1a Affected: 17.3.1x Affected: 17.3.3 Affected: 17.2.3 Affected: 17.5.1 Affected: 16.12.1z1 Affected: 16.12.5a Affected: 17.4.1b Affected: 17.3.1z Affected: 16.12.5b Affected: 17.4.2 Affected: 17.3.3a Affected: 17.3.5 Affected: 17.3.4 Affected: 17.5.1a Affected: 16.12.6 Affected: 17.6.1 Affected: 16.12.1z2 Affected: 17.3.4a Affected: 17.6.1a Affected: 17.7.1 Affected: 17.6.1x Affected: 17.6.2 Affected: 16.12.6a Affected: 17.3.4c Affected: 17.4.2a Affected: 17.3.4b Affected: 17.7.1a Affected: 16.12.7 Affected: 17.8.1a Affected: 17.6.3a Affected: 17.6.3 Affected: 17.7.2 Affected: 17.7.1b Affected: 17.9.1w Affected: 17.3.5a Affected: 17.6.1z Affected: 16.12.8 Affected: 17.8.1 Affected: 17.9.1 Affected: 17.6.4 Affected: 17.3.5b Affected: 17.9.1a Affected: 17.3.6 Affected: 17.10.1 Affected: 16.9.8a Affected: 17.6.1z1 Affected: 17.10.1a Affected: 17.9.2 Affected: 17.6.5 Affected: 17.9.1x Affected: 17.9.1y Affected: 16.9.8b Affected: 17.3.7 Affected: 17.9.2a Affected: 17.9.3 Affected: 16.12.9 Affected: 17.11.1 Affected: 17.10.1b Affected: 17.6.6 Affected: 17.9.1x1 Affected: 17.11.1a Affected: 17.9.3a Affected: 17.12.1 Affected: 17.3.8 Affected: 17.9.4 Affected: 16.12.10 Affected: 17.12.1w Affected: 17.9.1y1 Affected: 17.12.1a Affected: 17.9.5 Affected: 17.13.1 Affected: 17.12.1x Affected: 17.12.2 Affected: 17.14.1 Affected: 17.9.4a Affected: 17.3.8a Affected: 17.6.6a Affected: 17.6.5a Affected: 17.6.7 Affected: 16.12.10a Affected: 17.15.1 Affected: 17.13.1a Affected: 17.12.2a Affected: 16.12.11 Affected: 17.12.3 Affected: 17.12.1y Affected: 17.12.1z Affected: 17.9.5a Affected: 17.14.1a Affected: 17.9.5b Affected: 17.6.8 Affected: 16.12.12 Affected: 17.12.4 Affected: 17.9.6 Affected: 17.17.1 Affected: 17.16.1 Affected: 17.15.1w Affected: 17.12.3a Affected: 17.9.5c Affected: 17.15.1a Affected: 17.12.1z1 Affected: 17.15.2 Affected: 17.15.1b Affected: 17.9.5d Affected: 17.15.1x Affected: 17.9.6a Affected: 17.12.1z2 Affected: 17.6.8a Affected: 17.16.1a Affected: 16.12.13 Affected: 17.15.3 Affected: 17.9.7 Affected: 17.12.5 Affected: 17.15.1y Affected: 17.9.5e Affected: 17.12.4a Affected: 17.15.2a Affected: 17.15.2c Affected: 17.15.2b Affected: 17.12.1z3 Affected: 17.9.5f Affected: 17.12.4b Affected: 17.12.5a Affected: 17.18.1 Affected: 17.12.6 Affected: 17.12.1z4 Affected: 17.9.8 Affected: 17.9.7a Affected: 17.15.3a Affected: 17.15.4 Affected: 17.12.5b Affected: 17.15.3b Affected: 16.12.14 Affected: 17.18.1z Affected: 17.9.7b Affected: 17.12.5c Affected: 26.1.1 Affected: 17.18.1a Affected: 17.15.4a Affected: 17.18.2 Affected: 17.18.1w Affected: 17.15.4b Affected: 17.12.6a Affected: 17.12.7 Affected: 17.15.4c Affected: 17.9.9 Affected: 17.12.5d Affected: 16.12.15 Affected: 17.15.4s1 Affected: 17.15.5 Affected: 17.12.1z5 Affected: 17.18.1x Affected: 17.12.1z6 Affected: 17.15.4d Affected: 17.12.6b Affected: 17.4.1c Affected: 17.15.5a Affected: 17.18.1y Affected: 17.12.7a Affected: 17.18.3 Affected: 17.12.7b Affected: 17.18.3a Affected: 26.1.1a Affected: 26.2.1ea Affected: 16.12.16 |
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CVE-2026-20287 (GCVE-0-2026-20287)
Vulnerability from cvelistv5 – Published: 2026-09-16 20:24 – Updated: 2026-09-17 11:39
VLAI
EPSS
VEX
Title
Cisco Identity Services Engine Hardening Release - Improper Privlege Management Vulnerabilities
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20287 are related to improper privilege managment issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-269.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 03:57 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Identity Services Engine Software |
Affected:
3.1.0
Affected: 3.1.0 p1 Affected: 3.1.0 p3 Affected: 3.1.0 p2 Affected: 3.2.0 Affected: 3.1.0 p4 Affected: 3.1.0 p5 Affected: 3.2.0 p1 Affected: 3.1.0 p6 Affected: 3.2.0 p2 Affected: 3.1.0 p7 Affected: 3.3.0 Affected: 3.2.0 p3 Affected: 3.2.0 p4 Affected: 3.1.0 p8 Affected: 3.2.0 p5 Affected: 3.2.0 p6 Affected: 3.1.0 p9 Affected: 3.3 Patch 2 Affected: 3.3 Patch 1 Affected: 3.3 Patch 3 Affected: 3.4.0 Affected: 3.2.0 p7 Affected: 3.3 Patch 4 Affected: 3.4 Patch 1 Affected: 3.1.0 p10 Affected: 3.3 Patch 5 Affected: 3.3 Patch 6 Affected: 3.4 Patch 2 Affected: 3.3 Patch 7 Affected: 3.4 Patch 3 Affected: 3.5.0 Affected: 3.4 Patch 4 Affected: 3.3 Patch 8 Affected: 3.2 Patch 8 Affected: 3.5 Patch 1 Affected: 3.3 Patch 9 Affected: 3.2 Patch 9 Affected: 3.4 Patch 5 Affected: 3.5 Patch 3 Affected: 3.5 Patch 2 Affected: 3.3 Patch 10 Affected: 3.3 Patch 11 Affected: 3.4 Patch 6 Affected: 3.2 Patch 10 Affected: 3.1.0 p72 Affected: 3.1.0 p11 |
|
| Cisco | Cisco ISE Passive Identity Connector |
Affected:
3.2.0
Affected: 3.1.0 Affected: 3.3.0 Affected: 3.4.0 Affected: 3.5.0 |
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CVE-2026-20246 (GCVE-0-2026-20246)
Vulnerability from cvelistv5 – Published: 2026-06-17 16:17 – Updated: 2026-06-17 17:17
VLAI
EPSS
VEX
Title
Cisco Umbrella Virtual Appliance Privilege Escalation Vulnerability
Summary
A vulnerability in the vmadmin CLI of Cisco Umbrella Virtual Appliance could allow an authenticated, local attacker to elevate privileges on an affected device.
This vulnerability is due to insufficient validation of user-supplied commands. An attacker with vmadmin privileges could exploit this vulnerability by using certain commands at the CLI. A successful exploit could allow the attacker to elevate privileges to root.
Severity
6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 17:15 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Umbrella Insights Virtual Appliance |
Affected:
2.6.0
Affected: 2.5.6 Affected: 2.5 Affected: 2.4.12 Affected: 2.7 Affected: 2.6.2 Affected: 2.5.5 Affected: 2.5.4 Affected: 2.8 Affected: 2.6.1 Affected: 2.5.7 Affected: 1.5.4 Affected: 1.5.5 Affected: 1.5.6 Affected: 2.0.0 Affected: 2.0.2 Affected: 2.0.3 Affected: 2.1.0 Affected: 2.1.2 Affected: 2.1.4 Affected: 2.1.5 Affected: 2.2 Affected: 2.2.1 Affected: 2.3 Affected: 2.3.1 Affected: 2.4 Affected: 2.4.4 Affected: 2.4.6 Affected: 2.8.9 Affected: 3.0 Affected: 3.1 Affected: 3.2 Affected: 2.8.1 Affected: 2.8.2 Affected: 2.8.3 Affected: 2.8.4 Affected: 2.8.5 Affected: 3.0.1 Affected: 3.0.2 Affected: 3.0.4 Affected: 3.0.5 Affected: 3.1.1 Affected: 3.1.2 Affected: 3.1.3 Affected: 3.1.4 Affected: 3.2.1 Affected: 3.2.2 Affected: 3.2.3 Affected: 3.3 Affected: 3.3.1 Affected: 3.3.2 Affected: 3.3.3 Affected: 3.3.4 Affected: 3.4 Affected: 3.4.1 Affected: 3.4.2 Affected: 3.4.3 Affected: 3.4.4 Affected: 3.4.5 Affected: 3.4.6 Affected: 3.5 Affected: 2.7.1 Affected: 2.7.2 Affected: 2.7.6 Affected: 2.7.9 Affected: 2.7.10 Affected: 3.5.1 Affected: 3.5.2 Affected: 3.6.1 Affected: 3.6.2 Affected: 3.7 Affected: 3.7.1 Affected: 3.8.3 |
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CVE-2026-20044 (GCVE-0-2026-20044)
Vulnerability from cvelistv5 – Published: 2026-03-04 17:17 – Updated: 2026-03-05 14:05
VLAI
EPSS
VEX
Title
Cisco Secure Firewall Management Center Command Injection Vulnerability
Summary
A vulnerability in the lockdown mechanism of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, local attacker to perform arbitrary commands as root.
This vulnerability is due to insufficient restrictions on remediation modules while in lockdown mode. An attacker could exploit this vulnerability by sending crafted input to the system CLI of the affected device. A successful exploit could allow the attacker to run arbitrary commands or code as root, even when the system is in lockdown mode. To exploit this vulnerability, the attacker must have valid administrative credentials.
Severity
6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-05 04:55 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Secure Firewall Management Center (FMC) |
Affected:
6.4.0.6
Affected: 6.4.0.7 Affected: 6.4.0.4 Affected: 6.4.0.1 Affected: 6.4.0.8 Affected: 6.4.0.2 Affected: 6.4.0.3 Affected: 6.4.0.5 Affected: 6.4.0 Affected: 6.4.0.9 Affected: 6.4.0.10 Affected: 6.4.0.11 Affected: 6.4.0.12 Affected: 7.0.0 Affected: 7.0.0.1 Affected: 7.0.1 Affected: 7.1.0 Affected: 6.4.0.13 Affected: 7.0.1.1 Affected: 6.4.0.14 Affected: 7.1.0.1 Affected: 7.0.2 Affected: 6.4.0.15 Affected: 7.2.0 Affected: 7.0.2.1 Affected: 7.0.3 Affected: 7.1.0.2 Affected: 7.2.0.1 Affected: 7.0.4 Affected: 7.2.1 Affected: 7.0.5 Affected: 6.4.0.16 Affected: 7.3.0 Affected: 7.2.2 Affected: 7.3.1 Affected: 7.2.3 Affected: 7.1.0.3 Affected: 7.2.3.1 Affected: 7.2.4 Affected: 7.0.6 Affected: 7.2.4.1 Affected: 7.2.5 Affected: 7.3.1.1 Affected: 7.4.0 Affected: 6.4.0.17 Affected: 7.0.6.1 Affected: 7.2.5.1 Affected: 7.4.1 Affected: 7.2.6 Affected: 7.4.1.1 Affected: 7.0.6.2 Affected: 6.4.0.18 Affected: 7.2.7 Affected: 7.2.5.2 Affected: 7.3.1.2 Affected: 7.2.8 Affected: 7.6.0 Affected: 7.4.2 Affected: 7.2.8.1 Affected: 7.0.6.3 Affected: 7.4.2.1 Affected: 7.2.9 Affected: 7.0.7 Affected: 7.7.0 Affected: 7.4.2.2 Affected: 7.2.10 Affected: 7.6.1 Affected: 7.4.2.3 Affected: 7.0.8 Affected: 7.6.2 Affected: 7.7.10 Affected: 7.2.10.1 Affected: 7.0.8.1 Affected: 7.6.2.1 Affected: 7.2.10.2 Affected: 7.7.10.1 Affected: 7.4.2.4 Affected: 7.4.3 |
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"version": "7.4.2.3"
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CVE-2026-19996 (GCVE-0-2026-19996)
Vulnerability from cvelistv5 – Published: 2026-08-17 06:45 – Updated: 2026-08-18 14:26
VLAI
EPSS
VEX
Title
Webkul Bagisto Backend Customer Behavior Data Endpoint customers privileges management
Summary
A vulnerability was identified in Webkul Bagisto up to 2.4.4. This vulnerability affects unknown code of the file /admin/customers of the component Backend Customer Behavior Data Endpoint. Such manipulation of the argument ID leads to improper privilege management. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor confirms: "The reported issues were already identified through our internal security assessment process prior to this notification and are being handled through our established internal security and development lifecycle. Some of these items have already been addressed, while the remaining items are planned for resolution in upcoming product releases."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 14:26 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/391197 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/391197/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19996 | third-party-advisory |
| https://vuldb.com/submit/870357 | third-party-advisory |
| https://github.com/Mitchell45/PHP_Web_POCs/blob/m… | exploit |
Impacted products
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CVE-2026-19928 (GCVE-0-2026-19928)
Vulnerability from cvelistv5 – Published: 2026-08-16 02:45 – Updated: 2026-08-18 13:38 X_Open Source
VLAI
EPSS
VEX
Title
OpenBoxes Role Interceptor RoleInterceptor.groovy needManager privileges management
Summary
A vulnerability was determined in OpenBoxes up to 0.9.7. This affects the function needManager of the file grails-app/controllers/org/pih/warehouse/RoleInterceptor.groovy of the component Role Interceptor. Executing a manipulation can lead to improper privilege management. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Upgrading to version 0.9.8-hotfix1 and 0.9.8 mitigates this issue. This patch is called 788cace0af816aa972a713a4631c57f16f895e6b. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 13:24 UTC
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/390179 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/390179/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-19928 | third-party-advisory |
| https://vuldb.com/submit/871981 | third-party-advisory |
| https://github.com/OpenBoxes/OpenBoxes/security/a… | related |
| https://github.com/OpenBoxes/OpenBoxes/pull/5948 | issue-trackingpatch |
| https://gist.github.com/nedlir/2bc3a6e5bd4d67b863… | exploit |
| https://github.com/openboxes/openboxes/commit/788… | patch |
| https://github.com/openboxes/openboxes/releases/t… | patch |
| https://github.com/OpenBoxes/OpenBoxes/ | product |
Impacted products
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CVE-2026-19915 (GCVE-0-2026-19915)
Vulnerability from cvelistv5 – Published: 2026-09-22 14:57 – Updated: 2026-09-29 16:07
VLAI
EPSS
VEX
Title
HP Support Assistant - Local Escalation of Privilege
Summary
A potential security vulnerability has been identified in the HP Support Assistant for versions prior to 9.55.10.0. The vulnerability could potentially allow a local attacker to escalate privileges due to insufficient access controls.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 03:55 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.hp.com/us-en/document/ish_1567718… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HP Inc | HP Support Assistant |
Affected:
0 , < <9.55.10.0
(custom)
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CVE-2026-19883 (GCVE-0-2026-19883)
Vulnerability from cvelistv5 – Published: 2026-08-22 02:26 – Updated: 2026-08-24 13:01
VLAI
EPSS
VEX
Title
WPeMatico RSS Feed Fetcher <= 2.8.24 - Authenticated (Subscriber+) Privilege Escalation via Arbitrary Option Update to wpematico_import_settings admin_action
Summary
The WPeMatico RSS Feed Fetcher plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the wpematico_import_settings function in all versions up to, and including, 2.8.24. This makes it possible for authenticated attackers, with subscriber-level access and above, to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 12:43 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
10 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| etruel | WPeMatico RSS Feed Fetcher |
Affected:
0 , ≤ 2.8.24
(semver)
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CVE-2026-19807 (GCVE-0-2026-19807)
Vulnerability from cvelistv5 – Published: 2026-10-01 07:40 – Updated: 2026-10-03 15:42
VLAI
EPSS
VEX
Title
ByteCoreStack <= 1.2.3 - Authenticated (Subscriber+) Privilege Escalation via wp_update_user_meta MCP Tool
Summary
The ByteCoreStack – MCP Connector for AI Tools plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.3 This is due to the `wp_update_user_meta` MCP tool in `execute_tool` gating writes solely with `current_user_can('edit_user', $uid)` — a check that WordPress core's `map_meta_cap` resolves to the `read` primitive when the target user ID matches the caller's own — while enforcing an incomplete meta key blocklist that covers only `user_pass`, `user_activation_key`, and `session_tokens`, leaving the `wp_capabilities` and `wp_user_level` meta keys entirely unprotected. This makes it possible for authenticated attackers with Subscriber-level access and above to elevate their privileges to Administrator by issuing a `wp_update_user_meta` call over the MCP JSON-RPC endpoint with `key=wp_capabilities` and an arbitrary role array such as `{'administrator': true}` targeting their own user ID, causing WordPress to load that account as an Administrator on the next request.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-03 15:35 UTC
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
13 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bytecorestack | ByteCoreStack – MCP Connector for AI Tools |
Affected:
0 , ≤ 1.2.3
(semver)
|
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Mitigation MIT-1
Architecture and Design
Operation
Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
Mitigation MIT-48
Architecture and Design
Strategy: Separation of Privilege
Follow the principle of least privilege when assigning access rights to entities in a software system.
Mitigation MIT-49
Architecture and Design
Strategy: Separation of Privilege
Consider following the principle of separation of privilege. Require multiple conditions to be met before permitting access to a system resource.
CAPEC-122: Privilege Abuse
An adversary is able to exploit features of the target that should be reserved for privileged users or administrators but are exposed to use by lower or non-privileged accounts. Access to sensitive information and functionality must be controlled to ensure that only authorized users are able to access these resources.
CAPEC-233: Privilege Escalation
An adversary exploits a weakness enabling them to elevate their privilege and perform an action that they are not supposed to be authorized to perform.
CAPEC-58: Restful Privilege Elevation
An adversary identifies a Rest HTTP (Get, Put, Delete) style permission method allowing them to perform various malicious actions upon server data due to lack of access control mechanisms implemented within the application service accepting HTTP messages.