PT-2026-78424 · Stigmem · Stigmem

CVE-2026-76243

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Published

2026-05-29

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Updated

2026-08-25

CVSS v4.0

9.2

Critical

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions stigmem versions prior to 0.9.0a2
Description An authentication bypass occurs when authentication is disabled on non-loopback deployments. This allows attackers to perform read, write, and federation operations using an anonymous identity when nodes are exposed outside of local development environments.
Recommendations Update stigmem to version 0.9.0a2 or later.

Exploit

Fix

Missing Authorization

Improper Authorization

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Weakness Enumeration

Related Identifiers

CVE-2026-76243
GHSA-FP6W-8WPG-74G5

Affected Products

Stigmem