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CVE-2023-47634

Decidim has race condition in Endorsements

Low3.1EPSS 0.44%
Published
Updated
Reserved
Assigned by
GitHub_M

Description

Decidim is a participatory democracy framework. Starting in version 0.10.0 and prior to versions 0.26.9, 0.27.5, and 0.28.0, 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. Versions 0.26.9, 0.27.5, and 0.28.0 contain a patch for this issue. As a workaround, disable the Endorsement feature in the components.

Scores

CVSS scores of CVE-2023-47634, by who scored it
Scored byCVSSScoreVector
GitHub_MCNA (assigner)3.1Low3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
NVDNVD · Analyzed3.1Low3.1CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS (exploitation in 30 days)
0.44% · top 61% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.1.

Weakness

Affected products

  • decidim · decidim

    • affected >= 0.10.0, < 0.26.9
    • affected >= 0.27.0, < 0.27.5

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References (4)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .