Advisory Database
  • Advisories
  • Dependency Scanning
  1. gem
  2. ›
  3. decidim
  4. ›
  5. CVE-2023-47634

CVE-2023-47634: Race condition in Endorsements

February 20, 2024 (updated February 14, 2025)

A race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement.

To exploit this vulnerability, the request to set an endorsement must be sent several times in parallel.

References

  • github.com/advisories/GHSA-r275-j57c-7mf2
  • github.com/decidim/decidim
  • github.com/decidim/decidim/commit/5c5ee7a50d75c10643dd8c495e2517641e4d74db
  • github.com/decidim/decidim/commit/7b840d2c37a562709f4481db644d8c43add28536
  • github.com/decidim/decidim/releases/tag/v0.26.9
  • github.com/decidim/decidim/releases/tag/v0.27.5
  • github.com/decidim/decidim/releases/tag/v0.28.0
  • github.com/decidim/decidim/security/advisories/GHSA-r275-j57c-7mf2
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/decidim/CVE-2023-47634.yml
  • nvd.nist.gov/vuln/detail/CVE-2023-47634

Code Behaviors & Features

Detect and mitigate CVE-2023-47634 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 0.10.0 before 0.26.9, all versions starting from 0.27.0 before 0.27.5

Fixed versions

  • 0.26.9
  • 0.27.5

Solution

Upgrade to versions 0.26.9, 0.27.5 or above.

Impact 3.1 LOW

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

Learn more about CVSS

Weakness

  • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Source file

gem/decidim/CVE-2023-47634.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Sun, 08 Nov 2026 00:17:25 +0000.