CVE-2026-3739suitenumerique messages ThreadAccess serializers.py ThreadAccessSerializer improper authentication
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A security flaw has been discovered in suitenumerique messages 0.2.0. This issue affects the function ThreadAccessSerializer of the file src/backend/core/api/serializers.py of the component ThreadAccess. The manipulation results in improper authentication. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 0.3.0 is capable of addressing this issue. The patch is identified as d7729f4b885449f6dee3faf8b5f2a05769fb3d6e. The affected component should be upgraded.
- CVSS
- 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Mar 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
suitenumerique messages suitenumerique:messages (from the name) | 0.2.0; 0.3.0 not affected | CNA record |
References
- https://vuldb.com/?id.349717vdb-entry, technical-description
- https://vuldb.com/?ctiid.349717signature, permissions-required
- https://vuldb.com/?submit.767329third-party-advisory
- https://github.com/suitenumerique/messages/security/advisories/GHSA-7476-6crq-4cw9exploit
- https://github.com/suitenumerique/messages/pull/557issue-tracking, patch
- https://github.com/suitenumerique/messages/commit/d7729f4b885449f6dee3faf8b5f2a05769fb3d6epatch
- https://github.com/suitenumerique/messages/releases/tag/v0.3.0patch
- https://github.com/suitenumerique/messages/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.