CVE-2026-59882
1 advisory.
Packagist/guzzlehttp/psr7 CVE-2026-59882: medium 4.2, EPSS 0.32%
guzzlehttp/psr7: Host Confusion via Weak URI Host Validation
Action: Upgrade guzzlehttp/psr7 to 2.12.3 or later.
composer require guzzlehttp/psr7:2.12.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.12.3 | - |
Fixed versions
| 2.12.3 |
Sources
- osv: GHSA-c2w2-prh8-qm98
- https://github.com/guzzle/psr7/security/advisories/GHSA-c2w2-prh8-qm98
- https://nvd.nist.gov/vuln/detail/CVE-2026-59882
- https://github.com/guzzle/psr7/pull/811
- https://github.com/guzzle/psr7/commit/ddd64f17d4cc1f7e5ffe6fd2c989ec7221712580
- https://github.com/guzzle/psr7
- https://github.com/guzzle/psr7/releases/tag/2.12.3
CVE-2026-59882 · published · modified · JSON