CVE-2026-8327
CVE-2026-8327 · Concrete CMS below 9.5.0 and below is vulnerable to password change without reauthorization and session-hardening bypass.
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Concrete CMS below 9.5.0 and below is vulnerable to password change without reauthorization and session-hardening bypass. The user-profile edit controller passes the entire raw POST array to UserInfo::update() without field whitelisting resulting in password change without requiring the current password and also resulting in registered users able to disable the per-user-IP-pinning in the session validator which is meant to detect hijacking. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 5.3 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks 0x4c616e for reporting.
CVSS 5.3 · Medium · EPSS 0.2% · Fix available
- Published
- Updated
Stack: php
Affected products and versions
concrete cms
- Versions
- ≥ 5, ≤ 9.5.0: Affected (git)
No fix published
concrete5/concrete5 Packagist
- Versions
- 8.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.1.0
- 8.2.0
- 8.2.0RC2
- 8.2.1
- 8.3.0
- 8.3.1
- 8.3.2
- 8.4.0
- 8.4.0RC3
- 8.4.0RC4
- 8.4.1
- 8.4.2
- 8.4.3
- 8.4.4
- 8.4.5
- 8.5.0
- 8.5.0RC1
- 8.5.0RC2
- 8.5.1
- 8.5.10
- 8.5.11
- 8.5.12
- 8.5.13
- 8.5.14
- 8.5.15
- 8.5.16
- 8.5.17
- 8.5.18
- 8.5.19
- 8.5.2
- 8.5.20
- 8.5.21
- 8.5.3
- 8.5.4
- 8.5.5
- 8.5.6
- 8.5.6RC1
- 8.5.7
- 8.5.8
- 8.5.9
- 9.0.0
- 9.0.0RC1
- 9.0.0RC3
- 9.0.0RC4
- 9.0.1
- 9.0.2
- 9.1.0
- 9.1.1
- 9.1.2
- 9.1.3
- 9.2.0
- 9.2.0RC2
- 9.2.1
- 9.2.2
- 9.2.3
- 9.2.4
- 9.2.5
- 9.2.6
- 9.2.7
- 9.2.8
- 9.2.9
- 9.3.0
- 9.3.1
- 9.3.2
- 9.3.3
- 9.3.4
- 9.3.5
- 9.3.6
- 9.3.7
- 9.3.8
- 9.3.9
- 9.4.0
- 9.4.0RC1
- 9.4.0RC2
- 9.4.1
- 9.4.2
- 9.4.3
- 9.4.4
- 9.4.5
- 9.4.6
- 9.4.7
- 9.4.8
- 9.5.0
- 9.5.0RC1
- 9.5.0RC2
- Affected ranges
- ECOSYSTEM: < 9.5.1
Update to 9.5.1