GHSA-8jp9-mpv9-98rj: amphp/http-client Header leakage on cross-domain redirects

medium Affects amphp/http-client. Feed 2026.10.29.4, updated 2026-10-29; published 2024-05-15; advisory modified 2024-11-29.

amphp/http-client Header leakage on cross-domain redirects

Package: amphp/http-client Composer
Affected versions: >=4.0.0 and <4.4.0
Fixed in: 4.4.0
Severity: medium CVSS 4.0
Exploitation: not on CISA KEV
Published: 2024-05-15
Source: osv.dev

References

NVD record amphp/http-client advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2024-2653 high AMPHP Denial of Service via HTTP/2 CONTINUATION Frames same package: amphp/http-client
GHSA-w8gf-g2vq-j2f4 high amphp/http-client Denial of Service via HTTP/2 CONTINUATION Frames same package: amphp/http-client
2020-06-16 unknown Header leakage on cross-domain redirects same package: amphp/http-client