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CVE-2024-27090 — Vulnerability in decidim — CVE Details

MEDIUM

Decidim vulnerable to data disclosure through the embed feature

Published July 10, 2024Updated September 10, 2026Source: osv

Summary

### Impact If an attacker can infer the slug or URL of an unpublished or private resource, and this resource can be embedded (such as a Participatory Process, an Assembly, a Proposal, a Result, etc), then some data of this resource could be accessed. ### Patches version 0.27.6 https://github.com/decidim/decidim/commit/1756fa639ef393ca8e8bb16221cab2e2e7875705 ### Workarounds Disallow access through your web server to the URLs finished with `/embed.html`

Advisory Timeline

  • First published July 10, 2024 (824 days ago).
  • Last revised September 10, 2026 — 792 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update decidim to 0.27.6 or later
gem install decidim -v 0.27.6

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

Affected Packages (1)

Affects 1 ecosystem: rubygems (1).

PackageEcosystemAffectedFixed In
decidim
rubygems
0.0.1, 0.0.1.alpha1, 0.0.1.alpha2, 0.0.1.alpha3 (+120 more)0.27.6

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-200
    Information ExposureMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 5.3 score means for each attack dimension.

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

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

References

Frequently Asked Questions

What is CVE-2024-27090?
Decidim vulnerable to data disclosure through the embed feature This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 5.3/10).
How do I check if my project is affected by CVE-2024-27090?
CVE-2024-27090 affects decidim. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-27090 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
5.3

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-qcj6-vxwx-4rqv

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