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Critical 9.2Published Aug 19, 2026

CVE-2026-76243stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth

Updated under an hour ago ()

Does this affect you?

It affects eidetic-labs stigmem. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.2 CRITICAL (v4.0, CNA)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
Weakness (CWE)
CWE-285
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Aug 25, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
eidetic-labs stigmem
eidetic_labs:stigmem (from the name)
before 0.9.0a2; 0.9.0a2 not affected
CNA record

References

  • vendor-advisory
  • third-party-advisory

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.

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