VIR Vulnerability Intelligence Relay

CVE-2026-47070

medium
Published 2026-05-25 · Modified 2026-05-27
CVSS v3
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v2
—
VIR risk
6.1

Description

HTTP/3 redirect handler leaks Authorization and Cookie headers to cross-origin redirect target in hackney

Predictions

Exploit likelihood
71%
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-2026-47070

vendor Authored 2026-05-27

Vendor advisory: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db — https://github.com/benoitc/hackney/security/advisories/GHSA-h73q-4w9q-82h4

vendor Authored 2026-05-27

Vendor advisory: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db — https://github.com/benoitc/hackney/commit/c58d5b50bade146360b85caf3dc8065807b08246

vendor Authored 2026-05-27

Vendor advisory: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db — https://cna.erlef.org/cves/CVE-2026-47070.html

Package impact
EcosystemPackageVulnerableFixed
Hexhackney>=3.1.1,<4.0.14.0.1

Application impact
VendorProductVersionsFixed
benoitchackney{"startIncluding":"3.1.1","endExcluding":"4.0.1"}4.0.1

References

CWEs

CWE-601

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