CVE-2025-65017

Decidim's private data exports can lead to data leaks

MEDIUM
6.5
CVSS Score
Published: February 3, 2026 at 03:05 PM UTC
Updated: June 17, 2026 at 09:55 AM UTC
1 product affected across 1 vendorDecidim

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

Decidim is a participatory democracy framework. In versions from 0.30.0 to before 0.30.4 and from 0.31.0.rc1 to before 0.31.0, the private data exports can lead to data leaks in case the UUID generation, causing collisions for the generated UUIDs. This issue has been patched in versions 0.30.4 and 0.31.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.30.4v < 0.31.00.30.0 ≤ v < 0.30.40.31.0 rc10.31.0 rc2
Affected range stops below 0.30.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.31.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/decidim/decidim/security/advisories/GHSA-3cx6-j9j4-54mp
x_refsource_MISCIssue TrackingPatch
Source: cverecord
https://github.com/decidim/decidim/pull/13571
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/decidim/decidim/releases/tag/v0.30.4
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/decidim/decidim/releases/tag/v0.31.0

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-200CWE-703

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