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CVE-2024-51734 — Vulnerability in zope — CVE Details

CRITICAL

Access control vulnerable to user data deletion by anonynmous users

Published July 7, 2026Updated July 13, 2026Source: osv

Summary

### Impact Anonymous users can delete the user data maintained by an `AccessControl.userfolder.UserFolder` which may prevent any privileged access. ### Patches The problem is fixed in version 7.2. ### Workarounds The problem can be fixed by adding `data__roles__ = ()` to `AccessControl.userfolder.UserFolder`. ### References https://github.com/zopefoundation/AccessControl/issues/159

Advisory Timeline

  • First published July 7, 2026 (97 days ago).
  • Last revised July 13, 2026 — 6 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update zope to 5.11.1 or later
pip install "zope>=5.11.1"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
zope
pypi
4.0, 4.0b1, 4.0b10, 4.0b2 (+70 more)5.11.1

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References

Frequently Asked Questions

What is CVE-2024-51734?
Access control vulnerable to user data deletion by anonynmous users This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
How do I check if my project is affected by CVE-2024-51734?
CVE-2024-51734 affects zope. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-51734 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.1

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-2076
GHSA-g5vw-3h65-2q3v
PYSEC-2026-2326

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