GHSA-8jp9-mpv9-98rj
amphp/http-client Header leakage on cross-domain redirects
amphp/http-client has a security weakness that might leak sensitive request headers from the initial request to the redirected host on cross-domain redirects, which were not removed correctly. Message::setHeaders does not replace the entire set of headers, but only operates on the headers matching the given array keys.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
What each source reports
GitHub Advisories Score used
amphp/http-client Header leakage on cross-domain redirects
amphp/http-client has a security weakness that might leak sensitive request headers from the initial request to the redirected host on cross-domain redirects, which were not removed correctly. Message::setHeaders does not replace the entire set of headers, but only operates on the headers matching the given array keys.
- Record
GHSA-8jp9-mpv9-98rj- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N - Updated
- 2026-11-02
OSV
amphp/http-client Header leakage on cross-domain redirects
amphp/http-client has a security weakness that might leak sensitive request headers from the initial request to the redirected host on cross-domain redirects, which were not removed correctly. Message::setHeaders does not replace the entire set of headers, but only operates on the headers matching the given array keys.
- Record
GHSA-8jp9-mpv9-98rj- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N - Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
amphp/http-clientPackagist | 4.0.0 up to 4.4.0 | 4.4.0 |
amphp/http-clientPackagist | 4.0.0 up to 4.4.0, plus listed versions v4.0.0v4.1.0v4.1.0-rc1v4.2.0v4.2.1v4.2.2v4.3.0v4.3.1 | 4.4.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
GHSA-8jp9-mpv9-98rj is a medium vulnerability (CVSS 4.0) in amphp/http-client, published May 15, 2024. No source lists public exploit code. Fixed in amphp/http-client 4.4.0.