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🐍
🐍 PyPI
Not in CISA KEV
HIGH severity

CVE-2008-1937 — moin

HIGH

CVE-2008-1937 is a high-severity (CVSS 7.5) CWE-264 vulnerability in moin. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for moin — see the affected versions and patch details below.

MoinMoin vulnerable to privilege escalation

Also known asPYSEC-2008-12
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs77th percentile — riskier than 77% of all scored CVEsHighest risk
0.50%1.06%1.61%2.17%1.0%1.7%May 26Aug 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍moin

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

The user form processing (userform.py) in MoinMoin before 1.6.3, when using ACLs or a non-empty superusers list, does not properly manage users, which allows remote attackers to gain privileges.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPImoinall versions1.6.3pip install --upgrade 'moin==1.6.3'

Affected Products

1 product · 3 configurations
Application
moinmoinmoinmoin
3 versions
1.6.01.6.11.6.2
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

The user form processing (userform.py) in MoinMoin before 1.6.3, when us…

hg.moinmo.inNVDAug 2017

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for moin, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update moin to 1.6.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2008-1937 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

The user form processing (userform.py) in MoinMoin before 1.6.3, when using ACLs or a non-empty superusers list, does not properly manage users, which allows remote attackers to gain privileges.
O3 Security · Impact-Aware SCA

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CVE-2008-1937: moin — Fixed in 1.6.3