CVE-2026-76243

Critical

Open

TLP:CLEAR

stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth

NVD CVE.org

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Description

stigmem versions before 0.9.0a2 allow unauthenticated access when authentication is disabled on non-loopback deployments. Attackers can perform read, write, and federation operations with anonymous identity when nodes are exposed outside local development environments.

Details

CVSS Score: 9.2
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Aug 19, 2026
Last Modified: Aug 25, 2026

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