Common Weakness Enumeration
CWE-304
AllowedMissing Critical Step in Authentication
Abstraction: Base · Status: Draft
The product implements an authentication technique, but it skips a step that weakens the technique.
78 vulnerabilities reference this CWE, most recent first.
CVE-2026-100667 (GCVE-0-2026-100667)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-28 18:14
VLAI
EPSS
VEX
Title
grav-plugin-login 3.8.7 through 3.9.6 Two-Factor Authentication Bypass
Summary
grav-plugin-login (the Grav CMS Login plugin) versions >= 3.8.7 and < 3.9.7 allow the two-factor authentication challenge to be bypassed for content gated by the authenticated() Twig function or the [authenticated] shortcode. On sites with 2FA enabled, Login::isAuthenticated() checked only the session flag indicating that the password step had succeeded, not the flag indicating that login had completed, so a session sitting at the 2FA code prompt was treated as fully authenticated. An attacker who knows a member's password but cannot answer that member's second factor can therefore read member-only content rendered by the no-argument authenticated() or group authenticated(null, 'group') forms and by [authenticated]; the inverse [guest] shortcode is likewise evaluated too early. Impact is limited to disclosure of that content: the attacker does not obtain a completed session, cannot access pages protected by an access: rule, and cannot act as the user. The authenticated('some.permission') form, which goes through UserObject::authorize(), is not affected. Fixed in grav-plugin-login 3.9.7.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 18:12 UTC
CWE
- CWE-304 - Missing Critical Step in Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/getgrav/grav/security/advisori… | vendor-advisory |
| https://www.vulncheck.com/advisories/grav-plugin-… | third-party-advisory |
Impacted products
Date Public
2026-09-09 00:00
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CVE-2026-94052 (GCVE-0-2026-94052)
Vulnerability from cvelistv5 – Published: 2026-09-30 09:34 – Updated: 2026-09-30 14:32
VLAI
EPSS
VEX
Title
Apache MINA SSHD: LDAP password authentication ineffective
Summary
A missing check in LdapPasswordAuthenticator in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 or 3.0.0-M1 to 3.0.0-M5 bypassed authentication checks.
Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server.
sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure an LdapPasswordAuthenticator to be used for password authentication. Normal password authentication via the built-in mechanisms in sshd-core is _not_ affected by this vulnerability, which concerns only LdapPasswordAuthenticator.
Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:32 UTC
CWE
- CWE-304 - Missing critical step in authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread.html/qch5kdwwms13… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache MINA SSHD |
Affected:
1.2.0 , < 2.20.0
(maven)
Affected: 3.0.0-M1 , < 3.0.0-M6 (maven) |
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CVE-2026-93994 (GCVE-0-2026-93994)
Vulnerability from cvelistv5 – Published: 2026-09-30 09:45 – Updated: 2026-09-30 14:29
VLAI
EPSS
VEX
Title
Apache MINA SSHD: Repeated-publickey policy bypass on server
Summary
Apache MINA SSHD is a Java library for client-side and server-side SSH. SSH servers can be configured to require multi-authentication schemes, for instance two different public keys, not just one. In OpenSSH, this would be done by setting in sshd_config AuthenticationMethods "publickey,publickey". Apache MINA SSHD provides an equivalent configuration mechanism.
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Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:29 UTC
CWE
- CWE-304 - Missing critical step in authentication
Assigner
References
2 references
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|---|---|
| https://lists.apache.org/thread.html/9t3vsm8rnvwd… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache MINA SSHD |
Affected:
0 , < 2.20.0
(maven)
Affected: 3.0.0-M1 , < 3.0.0-M6 (maven) |
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CVE-2026-76207 (GCVE-0-2026-76207)
Vulnerability from cvelistv5 – Published: 2026-08-19 14:01 – Updated: 2026-08-25 01:54
VLAI
EPSS
VEX
Title
phpMyFAQ before 4.1.7 2FA Bypass via Remember-Me Cookie
Summary
phpMyFAQ before 4.1.7 contains a two-factor authentication bypass vulnerability where remember-me tokens are issued before 2FA verification completes. Attackers with valid credentials can obtain a remember-me cookie, skip the 2FA challenge, and replay the cookie to gain full authenticated access without second-factor verification.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 01:54 UTC
CWE
- CWE-304 - Missing Critical Step in Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/thorsten/phpMyFAQ/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/phpmyfaq-bef… | third-party-advisory |
Impacted products
Date Public
2026-08-04 00:00
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CVE-2026-67351 (GCVE-0-2026-67351)
Vulnerability from cvelistv5 – Published: 2026-07-30 13:57 – Updated: 2026-07-31 22:52 X_Open Source
VLAI
EPSS
VEX
Title
Serendipity < 2.6.1 Authentication Bypass via Username Collision
Summary
Serendipity before 2.6.1 contains an authentication context confusion vulnerability where password validation and session loading operate independently without ensuring both use the same user record. An authenticated Editor can create a username collision with an Administrator account and obtain administrative privileges by logging in with their own password while the session loads the Administrator's account data.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 22:52 UTC
CWE
- CWE-304 - Missing Critical Step in Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/s9y/Serendipity/security/advis… | vendor-advisory |
| https://www.vulncheck.com/advisories/serendipity-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| s9y | Serendipity |
Affected:
0 , < 2.6.1
(semver)
Unaffected: 2.6.1 (semver) cpe:2.3:a:s9y:serendipity:*:*:*:*:*:*:*:* |
Date Public
2026-07-27 00:00
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CVE-2026-61466 (GCVE-0-2026-61466)
Vulnerability from cvelistv5 – Published: 2026-08-06 11:24 – Updated: 2026-08-07 00:01
VLAI
EPSS
VEX
Title
Apache CXF: OAuth2 Dynamic Client Registration Scope Self-Escalation
Summary
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Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 15:19 UTC
CWE
- CWE-304 - Missing Critical Step in Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2l1r16g79tpxd7fzr… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache CXF |
Affected:
0 , < 3.6.12
(semver)
Affected: 4.0.0 , < 4.1.8 (semver) Affected: 4.2.0 , < 4.2.3 (semver) |
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CVE-2026-59564 (GCVE-0-2026-59564)
Vulnerability from cvelistv5 – Published: 2026-08-24 13:39 – Updated: 2026-08-25 03:56
VLAI
EPSS
VEX
Title
Authentication bypass between ZCC and client connector portal
Summary
An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connector and the Zscaler Client Connector Portal.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 00:00 UTC
CWE
- CWE-304 - Missing critical step in authentication
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Zscaler | Client Connector |
Affected:
0 , < Windows: 4.6.0.457, 4.7.0.317, 4.8.0.232, 4.9.0.372
(custom)
Affected: 0 , < MacOS: 4.5.2.312, 4.7.0.292, 4.8.0.191 (custom) Affected: 0 , < iOS: 4.5.1 (custom) Affected: 0 , < Android: 4.2 (custom) Affected: 0 , < ChromeOS: 4.2 (custom) Affected: 0 , < Linux: 3.7.2.64, 4.2.1.64 (custom) |
Date Public
2026-08-21 09:48
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CVE-2026-57915 (GCVE-0-2026-57915)
Vulnerability from cvelistv5 – Published: 2026-06-26 12:09 – Updated: 2026-08-03 12:05
VLAI
EPSS
VEX
Title
Apache Kerby: Kerberos Pre-Authentication Bypass
Summary
It is possible to bypass the Kerberos pre-authentication check in Apache Kerby by sending a PA-DATA with an unrecognized or unsupported type. Users are recommended to upgrade to version 2.1.2, which fixes this issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 14:38 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/1y3glgh3kzwoxo5m2… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/06/26/8 | |
| https://access.redhat.com/security/cve/CVE-2026-57915 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2493407 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Kerby |
Affected:
0 , < 2.1.2
(semver)
|
|
| Red Hat | Red Hat AMQ Clients |
cpe:/a:redhat:amq_clients:2023
|
|
| Red Hat | Red Hat Data Grid 8 |
cpe:/a:redhat:jboss_data_grid:8
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp
|
|
| Red Hat | streams for Apache Kafka 2 |
cpe:/a:redhat:amq_streams:2
|
|
| Red Hat | streams for Apache Kafka 3 |
cpe:/a:redhat:amq_streams:3
|
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CVE-2026-55957 (GCVE-0-2026-55957)
Vulnerability from cvelistv5 – Published: 2026-06-29 20:47 – Updated: 2026-06-30 13:27
VLAI
EPSS
VEX
Title
Apache Tomcat: Authentication bypass with JNDIRealm and GSSAPI authenticated bind
Summary
Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to authenticate binds using GSSAPI allowed attackers to authenticate without provided the correct password.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.4, from 10.1.0-M1 through 10.1.36, from 9.0.0.M1 through 9.0.100, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.5, 10.1.37 or 9.0.101, which fixes the issue.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:26 UTC
CWE
- CWE-304 - Missing Critical Step in Authentication
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/7fk339o5jvd4mcgsf… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/0… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat |
Affected:
11.0.0-M1 , ≤ 11.0.4
(semver)
Affected: 10.1.0-M1 , ≤ 10.1.36 (semver) Affected: 9.0.0.M1 , ≤ 9.0.100 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver) |
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CVE-2026-54723 (GCVE-0-2026-54723)
Vulnerability from cvelistv5 – Published: 2026-09-14 17:41 – Updated: 2026-09-14 18:21
VLAI
EPSS
VEX
Title
devpi: Database contents leak
Summary
devpi is a Python package index staging server and packaging, testing, and release tool. Prior to 6.20.2 and 7.0.0b3, a server configured with the primary or deprecated master role allows an unauthenticated, modified GET request to the +changelog route because verify_primary does not reject a missing identity and therefore fails to require ReplicaIdentity. The response can disclose complete database content, including Argon2 password hashes and identifiers and salts for devpi-tokens; exposed hashes may be subject to dictionary attacks, and public tokens may assist attempts to derive the server secret. Large responses can also consume significant CPU, input/output capacity, and bandwidth. Servers using the standalone role are not exposed through replication, and an instance served exclusively through nginx with devpi-lockdown redirects the request to login with no known exploit. This issue is fixed in devpi-server versions 6.20.2 and 7.0.0b3.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 18:21 UTC
CWE
- CWE-304 - Missing Critical Step in Authentication
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/devpi/devpi/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/devpi/devpi/commit/b4ea49fed4a… | x_refsource_MISC |
| https://github.com/devpi/devpi/releases/tag/serve… | x_refsource_MISC |
Impacted products
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"value": "devpi is a Python package index staging server and packaging, testing, and release tool. Prior to 6.20.2 and 7.0.0b3, a server configured with the primary or deprecated master role allows an unauthenticated, modified GET request to the +changelog route because verify_primary does not reject a missing identity and therefore fails to require ReplicaIdentity. The response can disclose complete database content, including Argon2 password hashes and identifiers and salts for devpi-tokens; exposed hashes may be subject to dictionary attacks, and public tokens may assist attempts to derive the server secret. Large responses can also consume significant CPU, input/output capacity, and bandwidth. Servers using the standalone role are not exposed through replication, and an instance served exclusively through nginx with devpi-lockdown redirects the request to login with no known exploit. This issue is fixed in devpi-server versions 6.20.2 and 7.0.0b3."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-304",
"description": "CWE-304: Missing Critical Step in Authentication",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-14T17:41:23.451Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/devpi/devpi/security/advisories/GHSA-m5pq-69xg-vcq3",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/devpi/devpi/security/advisories/GHSA-m5pq-69xg-vcq3"
},
{
"name": "https://github.com/devpi/devpi/commit/b4ea49fed4a6233d63f8509c3bf7efafc9b2db17",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/devpi/devpi/commit/b4ea49fed4a6233d63f8509c3bf7efafc9b2db17"
},
{
"name": "https://github.com/devpi/devpi/releases/tag/server-6.20.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/devpi/devpi/releases/tag/server-6.20.2"
}
],
"source": {
"advisory": "GHSA-m5pq-69xg-vcq3",
"discovery": "UNKNOWN"
},
"title": "devpi: Database contents leak"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-54723",
"datePublished": "2026-09-14T17:41:23.451Z",
"dateReserved": "2026-06-15T23:07:33.232Z",
"dateUpdated": "2026-09-14T18:21:50.993Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.