MEDIUMVulnerability
CVE-2026-67339
guzzlehttp/guzzle versions before 7.14.2 fail to properly isolate Proxy-Authorization headers from origin servers in cURL handlers. Attackers can capture proxy credentials through origin server access logs when requests are redirected, bypassed, or sent through SOCKS proxies that Guzzle misclassifies as direct connections.
Properties
- severity
- MEDIUM
- score
- 5.3
- epss_score
- 0.00233
- cve_id
- CVE-2026-67339
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- published_at
- 2026-08-01T13:17:04.990
- last_modified
- 2026-09-08T20:35:01.260
- epss_percentile
- 0.1408
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]Exposure of Sensitive Information to an Unauthorized Actor
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