CVE-2026-76949
unknown
EU-CRITICAL
CVSS v3
—
CVSS v4 NEW
9.1
VIR risk
—
Description
Remember-me sign-in guard reads a session key that is never written in ash_authentication, allowing session replacement
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Hex | ash_authentication | >=4.10.0,<4.15.0||>=5.0.0-rc.0,<5.0.0-rc.14 | 4.15.0 |
References
- https://cna.erlef.org/cves/CVE-2026-76949.html
- https://github.com/team-alembic/ash_authentication/commit/3d3de314692558d06ec13945f857f00514e95a8c
- https://github.com/team-alembic/ash_authentication/commit/9a34136b844abe179da1075067cf2835c64dcc12
- https://github.com/team-alembic/ash_authentication/commit/b9568a53b438247238b1c5a4f49c8d84650f4bba
- https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-hh34-374j-pfr5
- https://osv.dev/vulnerability/EEF-CVE-2026-76949
- https://hex.pm/packages/ash_authentication
CWEs
CWE-290
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.