CWE-942
AllowedPermissive Cross-domain Security Policy with Untrusted Domains
Abstraction: Variant · Status: Incomplete
The product uses a web-client protection mechanism such as a Content Security Policy (CSP) or cross-domain policy file, but the policy includes untrusted domains with which the web client is allowed to communicate.
220 vulnerabilities reference this CWE, most recent first.
CVE-2026-92359 (GCVE-0-2026-92359)
Vulnerability from cvelistv5 – Published: 2026-09-16 12:00 – Updated: 2026-09-16 13:15 X_Open Source| URL | Tags |
|---|---|
| https://vuldb.com/vuln/405445 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/405445/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-92359 | third-party-advisory |
| https://vuldb.com/submit/934120 | third-party-advisory |
| https://github.com/ag-ui-protocol/ag-ui/issues/2433 | issue-tracking |
| https://github.com/ag-ui-protocol/ag-ui/pull/2492 | issue-trackingpatch |
| https://github.com/ag-ui-protocol/ag-ui/commit/9b… | patch |
| https://github.com/ag-ui-protocol/ag-ui/releases/… | patch |
| https://github.com/ag-ui-protocol/ag-ui/ | product |
| Vendor | Product | Version | |
|---|---|---|---|
| ag-ui-protocol | ag-ui |
Affected:
0.3.0
Unaffected: AGUI.Abstractions@0.0.6 cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:* |
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CVE-2026-90882 (GCVE-0-2026-90882)
Vulnerability from cvelistv5 – Published: 2026-09-22 09:27 – Updated: 2026-09-22 13:06| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | open-vsx.org |
Affected:
29/04/2026 , ≤ 07/09/2026
(custom)
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CVE-2026-84452 (GCVE-0-2026-84452)
Vulnerability from cvelistv5 – Published: 2026-09-02 19:22 – Updated: 2026-09-03 16:01| URL | Tags |
|---|---|
| https://github.com/microsoft/winml-cli/security/a… | x_refsource_CONFIRM |
| https://github.com/microsoft/winml-cli/pull/1321 | x_refsource_MISC |
| https://github.com/microsoft/winml-cli/commit/f40… | x_refsource_MISC |
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CVE-2026-82438 (GCVE-0-2026-82438)
Vulnerability from cvelistv5 – Published: 2026-09-14 14:02 – Updated: 2026-09-14 19:52| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2o7tl3hcdd865njxs… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Storm Webapp |
Affected:
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CVE-2026-82291 (GCVE-0-2026-82291)
Vulnerability from cvelistv5 – Published: 2026-08-28 16:19 – Updated: 2026-09-24 14:20- CWE-942 - Permissive Cross-domain Security Policy with Untrusted Domains
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CVE-2026-82287 (GCVE-0-2026-82287)
Vulnerability from cvelistv5 – Published: 2026-08-28 16:19 – Updated: 2026-09-24 14:20- CWE-942 - Permissive Cross-domain Security Policy with Untrusted Domains
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CVE-2026-74881 (GCVE-0-2026-74881)
Vulnerability from cvelistv5 – Published: 2026-08-17 11:04 – Updated: 2026-10-01 15:20- CWE-942 - Permissive Cross-domain Security Policy with Untrusted Domains
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CVE-2026-70604 (GCVE-0-2026-70604)
Vulnerability from cvelistv5 – Published: 2026-08-05 15:59 – Updated: 2026-08-05 18:41- CWE-942 - Permissive Cross-domain Policy with Untrusted Domains
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CVE-2026-68517 (GCVE-0-2026-68517)
Vulnerability from cvelistv5 – Published: 2026-08-17 17:03 – Updated: 2026-08-18 14:48- CWE-942 - Permissive Cross-domain Policy with Untrusted Domains
| URL | Tags |
|---|---|
| https://github.com/nicolargo/glances/security/adv… | x_refsource_CONFIRM |
| https://github.com/nicolargo/glances/commit/89085… | x_refsource_MISC |
| https://github.com/nicolargo/glances/releases/tag… | x_refsource_MISC |
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CVE-2026-66070 (GCVE-0-2026-66070)
Vulnerability from cvelistv5 – Published: 2026-09-23 19:59 – Updated: 2026-09-24 14:17- CWE-942 - Permissive Cross-domain Policy with Untrusted Domains
| URL | Tags |
|---|---|
| https://github.com/rabbitmq/rabbitmq-server/secur… | x_refsource_CONFIRM |
| https://github.com/rabbitmq/rabbitmq-server/relea… | x_refsource_MISC |
| Vendor | Product | Version | |
|---|---|---|---|
| rabbitmq | rabbitmq-server |
Affected:
>= 3.13.0, < 3.13.17
Affected: >= 4.0.0, < 4.0.22 Affected: >= 4.1.0, < 4.1.13 Affected: >= 4.2.0, < 4.2.6 |
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Mitigation
Strategy: Attack Surface Reduction
Define a restrictive Content Security Policy [REF-1486] or cross-domain policy file.
Mitigation
Strategy: Attack Surface Reduction
Avoid using wildcards in the CSP / cross-domain policy file. Any domain matching the wildcard expression will be implicitly trusted, and can perform two-way interaction with the target server.
Mitigation
Strategy: Environment Hardening
For Flash, modify crossdomain.xml to use meta-policy options such as 'master-only' or 'none' to reduce the possibility of an attacker planting extraneous cross-domain policy files on a server.
No CAPEC attack patterns related to this CWE.