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  5. CVE-2026-23989

CVE-2026-23989: OpenCloud Reva has a Public Link Exploit

February 5, 2026 (updated February 6, 2026)

A security issue was discovered in Reva based products that enables a malicious user to bypass the scope validation of a public link, allowing it to access resources outside the scope of a public link.

References

  • github.com/advisories/GHSA-9j2f-3rj3-wgpg
  • github.com/opencloud-eu/reva
  • github.com/opencloud-eu/reva/commit/95aa2bc5d980eaf6cc134d75782b4f5ac7b36ae1
  • github.com/opencloud-eu/reva/security/advisories/GHSA-9j2f-3rj3-wgpg
  • nvd.nist.gov/vuln/detail/CVE-2026-23989

Code Behaviors & Features

Detect and mitigate CVE-2026-23989 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 2.40.3, all versions starting from 2.41.0 before 2.42.3

Fixed versions

  • 2.40.3
  • 2.42.3

Solution

Upgrade to versions 2.40.3, 2.42.3 or above.

Impact 8.2 HIGH

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

Learn more about CVSS

Weakness

  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-863: Incorrect Authorization

Source file

go/github.com/opencloud-eu/reva/v2/CVE-2026-23989.yml

Spotted a mistake? Edit the file on GitLab.

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