security/__init__.py in MoinMoin 1.9 through 1.9.4 does not properly handle group names…
Priority LOW 31CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-264.
Summary
security/__init__.py in MoinMoin 1.9 through 1.9.4 does not properly handle group names that contain virtual group names such as "All," "Known," or "Trusted," which allows remote authenticated users with virtual group membership to be treated as a member of the group.
Why it matters now
EPSS 0.021 81st percentileScored 2026-11-07
Fix Fixed moin (PyPI): 1.9.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | moin (PyPI) | 1.9 to before 1.9.5 | 1.9.5 | Patch available | GHSA-g4mx-rm5q-vh24 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- moin (PyPI) Vendor— Affected 1.9 to before 1.9.5 Fixed in 1.9.5 Patch available GHSA-g4mx-rm5q-vh24
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:moinmo:moinmoin:1.9.0:*:*:*:*:*:*:* | 1.9.0 | Vulnerable | Moinmo |
| cpe:2.3:a:moinmo:moinmoin:1.9.1:*:*:*:*:*:*:* | 1.9.1 | Vulnerable | Moinmo |
| cpe:2.3:a:moinmo:moinmoin:1.9.2:*:*:*:*:*:*:* | 1.9.2 | Vulnerable | Moinmo |
| cpe:2.3:a:moinmo:moinmoin:1.9.3:*:*:*:*:*:*:* | 1.9.3 | Vulnerable | Moinmo |
| cpe:2.3:a:moinmo:moinmoin:1.9.4:*:*:*:*:*:*:* | 1.9.4 | Vulnerable | Moinmo |
- cpe:2.3:a:moinmo:moinmoin:1.9.0:*:*:*:*:*:*:* Versions 1.9.0 Vulnerable ·Moinmo
- cpe:2.3:a:moinmo:moinmoin:1.9.1:*:*:*:*:*:*:* Versions 1.9.1 Vulnerable ·Moinmo
- cpe:2.3:a:moinmo:moinmoin:1.9.2:*:*:*:*:*:*:* Versions 1.9.2 Vulnerable ·Moinmo
- cpe:2.3:a:moinmo:moinmoin:1.9.3:*:*:*:*:*:*:* Versions 1.9.3 Vulnerable ·Moinmo
- cpe:2.3:a:moinmo:moinmoin:1.9.4:*:*:*:*:*:*:* Versions 1.9.4 Vulnerable ·Moinmo
Remediation
- Fix · GHSA-g4mx-rm5q-vh24 moin (PyPI) Fixed in 1.9.5 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4404
- 2026-10-03 Alias added: GHSA-g4mx-rm5q-vh24
References
Advisory 4
Other 9
- [oss-security] 20120904 CVE request: moinmoin incorrect ACL evaluation for virtual groups
- http://hg.moinmo.in/moin/1.9/rev/7b9f39289e16
- [oss-security] 20120904 Re: CVE request: moinmoin incorrect ACL evaluation for virtual groups
- https://github.com/moinwiki/moin/commit/b7791166cb3613d07c6e8eea966b4f763b2de660
- https://github.com/moinwiki/moin
- https://github.com/pypa/advisory-database/tree/main/vulns/moin/PYSEC-2012-10.yaml
- https://web.archive.org/web/20151016233452/http://secunia.com/advisories/50885
- https://web.archive.org/web/20151017041746/http://secunia.com/advisories/50474
- https://web.archive.org/web/20151017041755/http://secunia.com/advisories/50496
More Moinmoin vulnerabilities
- TI-2012-05045 Multiple unrestricted file upload vulnerabilities in the (1) twikidraw… CVSS 2.0MEDIUM 6.0
- TI-2020-15333 The cache action in action/cache.py in MoinMoin through 1.9.10 allows directory traversal… CVSS 3.1CRITICAL 9.8
- TI-2012-05213 Multiple directory traversal vulnerabilities in the (1) twikidraw (action/twikidraw.py)… CVSS 2.0MEDIUM 6.0
- TI-2020-12045 malicious SVG attachment causing stored XSS vulnerability in MoinMoin CVSS 3.1HIGH 8.7
- TI-2009-04518 MoinMoin 1.7.x before 1.7.3 and 1.8.x before 1.8.3 checks parent ACLs in certain… CVSS 2.0HIGH 7.5
- TI-2010-00685 The default configuration of cfg.packagepages_actions_excluded in MoinMoin before 1.8.7… CVSS 2.0HIGH 7.5
Sources
- CVE-2012-4404 · CVE Program
- CVE-2012-4404 · NVD
- FIRST EPSS
- GHSA-g4mx-rm5q-vh24 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-4404 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences