Requests vulnerable to .netrc credentials leak via malicious URLs
### Impact Due to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third parties for specific maliciously-crafted URLs. ### Workarounds For older versions of Requests, use of the .netrc file can be disabled with `trust_env=False` on your Requests Session ([docs](https://requests.readthedocs.io/en/latest/api/#requests.Session.trust_env)). ### References https://github.com/psf/requests/pull/6965 https://seclists.org/fulldisclosure/2025/Jun/2
02 / AFFECTED SOFTWARE
Affected packages
155 explicit affected versions
155 explicit affected versions
119 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Requests is a HTTP library. Due to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third parties for specific maliciously-crafted URLs. Users should upgrade to version 2.32.4 to receive a fix. For older versions of Requests, use of the .netrc file can be disabled with `trust_env=False` on one's Requests Session.
### Impact Due to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third parties for specific maliciously-crafted URLs. ### Workarounds For older versions of Requests, use of the .netrc file can be disabled with `trust_env=False` on your Requests Session ([docs](https://requests.readthedocs.io/en/latest/api/#requests.Session.trust_env)). ### References https://github.com/psf/requests/pull/6965 https://seclists.org/fulldisclosure/2025/Jun/2
### Impact Due to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third parties for specific maliciously-crafted URLs. ### Workarounds For older versions of Requests, use of the .netrc file can be disabled with `trust_env=False` on your Requests Session ([docs](https://requests.readthedocs.io/en/latest/api/#requests.Session.trust_env)). ### References https://github.com/psf/requests/pull/6965 https://seclists.org/fulldisclosure/2025/Jun/2
05 / REFERENCES
Further evidence
- http://seclists.org/fulldisclosure/2025/Jun/2
- http://www.openwall.com/lists/oss-security/2025/06/03/11
- http://www.openwall.com/lists/oss-security/2025/06/03/9
- http://www.openwall.com/lists/oss-security/2025/06/04/1
- http://www.openwall.com/lists/oss-security/2025/06/04/6
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47081.json
- https://github.com/psf/requests/commit/96ba401c1296ab1dda74a2365ef36d88f7d144ef
- https://github.com/psf/requests/pull/6965
- https://github.com/psf/requests/security/advisories/GHSA-9hjg-9r4m-mvj7
- https://nvd.nist.gov/vuln/detail/CVE-2024-47081
- https://requests.readthedocs.io/en/latest/api/#requests.Session.trust_env
- https://seclists.org/fulldisclosure/2025/Jun/2
- https://github.com/psf/requests
- https://github.com/advisories/GHSA-9hjg-9r4m-mvj7
- https://pypi.org/project/requests