CVE-2026-8468
high
CVSS v3
โ
CVSS v4 NEW
8.2
VIR risk
8.0
Description
Plug: Unbounded buffer accumulation in multipart header parsing causes denial of service
Predictions
Exploit likelihood
20%
Patch ETA
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 | plug | >=1.4.0,<1.15.4||>=1.16.0,<1.16.3||>=1.17.0,<1.17.1||>=1.18.0,<1.18.2||>=1.19.0,<1.19.2 | 1.15.4 |
| Hex | plug | >=1.4.0,<1.15.4 | 1.15.4 |
| Hex | plug | >=1.16.0,<1.16.3 | 1.16.3 |
| Hex | plug | >=1.17.0,<1.17.1 | 1.17.1 |
| Hex | plug | >=1.18.0,<1.18.2 | 1.18.2 |
| Hex | plug | >=1.19.0,<1.19.2 | 1.19.2 |
| ERLANG | plug | >= 1.19.0, < 1.19.2 | 1.19.2 |
| ERLANG | plug | >= 1.18.0, < 1.18.2 | 1.18.2 |
| ERLANG | plug | >= 1.17.0, < 1.17.1 | 1.17.1 |
| ERLANG | plug | >= 1.16.0, < 1.16.3 | 1.16.3 |
| ERLANG | plug | >= 1.4.0, < 1.15.4 | 1.15.4 |
References
- https://github.com/elixir-plug/plug/security/advisories/GHSA-468c-vq7p-gh64
- https://cna.erlef.org/cves/CVE-2026-8468.html
- https://osv.dev/vulnerability/EEF-CVE-2026-8468
- https://cna.erlef.org/cves/CVE-2026-8466.html
- https://github.com/elixir-plug/plug/commit/2cb7958d33030aa826b0c7404375844d4593d43a
- https://github.com/elixir-plug/plug/commit/aa69c5ece99c40ded88b8c6581ecc86664b0b734
- https://github.com/elixir-plug/plug/commit/d5dfffe25e975585227b1b85d247b0d14164bc45
- https://github.com/elixir-plug/plug/commit/df812a1527bae9e941965e897308a2b8bbf83a94
- https://github.com/elixir-plug/plug/commit/33858427c7f2737d560a2e40a0c9a9270d77d1d7
- https://hex.pm/packages/plug
- https://nvd.nist.gov/vuln/detail/CVE-2026-8468
- https://github.com/elixir-plug/plug
- https://github.com/advisories/GHSA-468c-vq7p-gh64
CWEs
CWE-770
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.