CVE-2026-86688
unknown
CVSS v3
—
CVSS v4 NEW
7.4
VIR risk
—
Description
Session id is not renewed on authentication in ash_authentication, allowing session fixation
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 | >=0.2.0,<4.15.0||>=5.0.0-rc.0,<5.0.0-rc.14 | 4.15.0 |
References
- https://cna.erlef.org/cves/CVE-2026-86688.html
- https://github.com/team-alembic/ash_authentication/commit/3e1d452cbf1564e87f5f97be882b66fe25af7cfa
- https://github.com/team-alembic/ash_authentication/commit/872db454405ecad4fcdabd9ff3d8755d1d6a69ae
- https://github.com/team-alembic/ash_authentication/commit/a939dde9b917c072cdf10c4b0913a9886a4b0231
- https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-v577-944g-7h3x
- https://osv.dev/vulnerability/EEF-CVE-2026-86688
- https://hex.pm/packages/ash_authentication
CWEs
CWE-384
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.