psr-7 vulnerabilities and fixes

Recent CVEs affecting psr-7, with upgrade or downgrade steps. 1 tracked.

Also searched as: psr 7.

psr-7 has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-07-08. Highest priority: CVE-2026-59882 (score 21/100).

• CVE-2026-59882 MEDIUM 4.2 UPGRADE guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP

FAQ

How do I fix psr-7 vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is psr-7 being exploited right now?

None of the tracked psr-7 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which psr-7 CVE should I patch first?

CVE-2026-59882 currently ranks highest (21/100): guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP.

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