CVE-2024-27090
Decidim vulnerable to data disclosure through the embed feature
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
Decidim is a participatory democracy framework, written in Ruby on Rails, originally developed for the Barcelona City government online and offline participation website. If an attacker can infer the slug or URL of an unpublished or private resource, and this resource can be embbeded (such as a Participatory Process, an Assembly, a Proposal, a Result, etc), then some data of this resource could be accessed. This vulnerability is fixed in 0.27.6.
Timeline
ID reserved
By GitHub_M
- 5 months later
· 5 months later
Published
- 23 days later
· 23 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.49% · top 57% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsdecidimGHSA-qcj6-vxwx-4rqv (opens in a new tab)
References (4)
- https://github.com/decidim/decidim/security/advisories/GHSA-qcj6-vxwx-4rqv (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/decidim/decidim/pull/12528 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/decidim/decidim/commit/1756fa639ef393ca8e8bb16221cab2e2e7875705 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/decidim/decidim/releases/tag/v0.27.6 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qcj6-vxwx-4rqv (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-27090)Record last updated .