Data Leak Vulnerability in Decidim Participatory Democracy Framework
CVE-2025-65017

8.2HIGH

Key Information:

Vendor

Decidim

Status
Decidim
Vendor
CVE Published:
3 February 2026

What is CVE-2025-65017?

The Decidim framework, utilized for facilitating participatory democracy, has a vulnerability that affects versions 0.30.0 to before 0.30.4 and from 0.31.0.rc1 to before 0.31.0. In these versions, improper UUID generation can result in UUID collisions, leading to unintended data exposures and potential user privacy violations. This issue can compromise the integrity of private data exports, making sensitive information accessible to unauthorized parties. Users are strongly encouraged to upgrade to versions 0.30.4 or 0.31.0 to mitigate risks associated with this vulnerability.

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Affected Version(s)

decidim >= 0.30.0, < 0.30.4 < 0.30.0, 0.30.4

decidim >= 0.31.0.r1, < 0.31.0 < 0.31.0.r1, 0.31.0

References

https://github.com/decidim/decidim/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/decidim/decidim/pull/13571
x_refsource_MISC
https://github.com/decidim/decidim/releases/tag/v0.30.4
x_refsource_MISC

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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