CVE-2026-3739

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 v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/suitenumerique/messages/
https://github.com/suitenumerique/messages/commit/d7729f4b885449f6dee3faf8b5f2a05769fb3d6e
https://github.com/suitenumerique/messages/pull/557
https://github.com/suitenumerique/messages/releases/tag/v0.3.0
https://github.com/suitenumerique/messages/security/advisories/GHSA-7476-6crq-4cw9
https://vuldb.com/?ctiid.349717
https://vuldb.com/?id.349717
https://vuldb.com/?submit.767329

Configurations

No configuration.

History

08 Mar 2026, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-08 14:15

Updated : 2026-03-09 13:35

NVD link : CVE-2026-3739

Mitre link : CVE-2026-3739

CVE.ORG link : CVE-2026-3739

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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