VIR Vulnerability Intelligence Relay

CVE-2026-47073

high
Published 2026-05-25 · Modified 2026-05-27
CVSS v3
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2
—
VIR risk
7.5

Description

Unbounded memory consumption in WebSocket client in hackney

Predictions

Exploit likelihood
83%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db — https://osv.dev/vulnerability/EEF-CVE-2026-47073

vendor Authored 2026-05-27

Vendor advisory: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db — https://github.com/benoitc/hackney/security/advisories/GHSA-q8jg-fgj4-fphf

vendor Authored 2026-05-27

Vendor advisory: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db — https://github.com/benoitc/hackney/commit/ce0109e2970ace6e20ff29bae9d05c3ac22ec6dc

vendor Authored 2026-05-27

Vendor advisory: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db — https://cna.erlef.org/cves/CVE-2026-47073.html

Package impact
EcosystemPackageVulnerableFixed
Hexhackney>=2.0.0,<4.0.14.0.1

Application impact
VendorProductVersionsFixed
benoitchackney{"startIncluding":"2.0.0","endExcluding":"4.0.1"}4.0.1

References

CWEs

CWE-400

Verify integrity in audit chain (admin only). AS-IS.