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Public proof of conceptFix available

CVE-2026-45414

A public proof of concept exists; no exploitation attested.

  • Published2026-08-06
  • Fixed in0.32.0 · 0.31.5
  • WeaknessCWE-639 · CWE-863

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Decidim is a participatory democracy framework. Prior to 0.31.5 and in 0.32.0.rc1 before 0.32.0.rc2, JWT-backed API authentication is not bound to the organization selected by the current host, allowing a JWT issued for one tenant to be replayed against another tenant’s API to read participantDetails data and reach the proposal.answer mutation path. This issue is fixed in versions 0.31.5 and 0.32.0.rc2.

Timeline

dates in UTC
  1. 2026-08-0622:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-45414?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-45414?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV
decidim
BranchAffectedFixed in
0.32≥ 0.32.0.rc1, < 0.32.00.32.0
0.31< 0.31.50.31.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update decidim to 0.32.0 · 0.31.5

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2026-08-07
  • OpenCVESSVC decisionpoc—
  • CNACVSS 3.18.5read 2026-10-23
  • CNAweakness (CWE)CWE-639, CWE-863read 2026-10-23
  • FIRST EPSSEPSS score0.5 %2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Published
2026-08-06
Last Modified
2026-09-08
NVD status
Deferred

Frequently asked questions

What is CVE-2026-45414?

Decidim is a participatory democracy framework. Prior to 0.31.5 and in 0.32.0.rc1 before 0.32.0.rc2, JWT-backed API authentication is not bound to the organization selected by the current host, allowing a JWT issued for one tenant to be replayed against another tenant’s API to read participantDetails data and reach the proposal.answer mutation path. This issue is fixed in versions 0.31.5 and 0.32.0.rc2.

Is CVE-2026-45414 actively exploited?

A proof-of-concept exploit exists for CVE-2026-45414, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-45414?

CVE-2026-45414 has a CVSS v3 base score of 8.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

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