CVE-2026-59882 — Vulnerability intelligence
guzzlephp — psr-7
Published:
- CVSS
- 4.2
- CISA KEV
- Not listed; not proof of no exploitation
Original source text (not a translation)
guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Prior to 2.12.3, Uri::assertValidHost() does not reject URI host components containing authority delimiters, embedded ports, or malformed IPv6 brackets, allowing Uri::getHost() to disagree with the URI authority used for security or routing decisions. This issue is fixed in version 2.12.3.