CVE-2026-105274
unknown
CVSS v3
—
CVSS v4 NEW
2.1
VIR risk
—
Description
hex_core decompresses registry and Erlang term API responses without size limits
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 | hex_core | >=0.1.0,<0.20.0 | 0.20.0 |
References
- https://cna.erlef.org/cves/CVE-2026-105274.html
- https://github.com/erlang/rebar3/commit/209c02ec57c2cc3207ee0174c3af3675b8dc8f79
- https://github.com/hexpm/hex/commit/671f695ac548ed01f5828c2a739ecaa942b21007
- https://github.com/hexpm/hex/commit/d8b60eee97abb119d525306f048969a217d793a5
- https://github.com/hexpm/hex_core/commit/ebe25d110717f6a3addba5232cd4a7dc1c76b628
- https://github.com/hexpm/hex_core/commit/fbb6d9de472e5edb8d6fb6b32a91cb266137892e
- https://github.com/hexpm/hex_core/security/advisories/GHSA-7c4r-cgf9-9jmq
- https://osv.dev/vulnerability/EEF-CVE-2026-105274
- https://hex.pm/packages/hex_core
CWEs
CWE-409
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.