Vulnerability advisory

PYSEC-2026-1872

Requests vulnerable to .netrc credentials leak via malicious URLs

Published Jul 7, 2026Updated Jul 7, 2026OSV record ↗

Severity

Affected versions

Affected Fixed in

All versions before 2.32.4 2.32.4Advisories →

Affected	Fixed in
All versions before 2.32.4	`2.32.4`Advisories →
Also listed as affected (155) `0.0.1` `0.10.0` `0.10.1` `0.10.2` `0.10.3` `0.10.4` `0.10.6` `0.10.7` `0.10.8` `0.11.1` `0.11.2` `0.12.0` `0.12.01` `0.12.1` `0.13.0` `0.13.1` `0.13.2` `0.13.3` `0.13.4` `0.13.5` `0.13.6` `0.13.7` `0.13.8` `0.13.9` `0.14.0` `0.14.1` `0.14.2` `0.2.0` `0.2.1` `0.2.2` `0.2.3` `0.2.4` `0.3.0` `0.3.1` `0.3.2` `0.3.3` `0.3.4` `0.4.0` `0.4.1` `0.5.0` `0.5.1` `0.6.0` `0.6.1` `0.6.2` `0.6.3` `0.6.4` `0.6.5` `0.6.6` `0.7.0` `0.7.1` `0.7.2` `0.7.3` `0.7.4` `0.7.5` `0.7.6` `0.8.0` `0.8.1` `0.8.2` `0.8.3` `0.8.4` `0.8.5` `0.8.6` `0.8.7` `0.8.8` `0.8.9` `0.9.0` `0.9.1` `0.9.2` `0.9.3` `1.0.0` `1.0.1` `1.0.2` `1.0.3` `1.0.4` `1.1.0` `1.2.0` `1.2.1` `1.2.2` `1.2.3` `2.0.0` `2.0.1` `2.1.0` `2.10.0` `2.11.0` `2.11.1` `2.12.0` `2.12.1` `2.12.2` `2.12.3` `2.12.4` `2.12.5` `2.13.0` `2.14.0` `2.14.1` `2.14.2` `2.15.0` `2.15.1` `2.16.0` `2.16.1` `2.16.2` `2.16.3` `2.16.4` `2.16.5` `2.17.0` `2.17.1` `2.17.2` `2.17.3` `2.18.0` `2.18.1` `2.18.2` `2.18.3` `2.18.4` `2.19.0` `2.19.1` `2.2.0` `2.2.1` `2.20.0` `2.20.1` `2.21.0` `2.22.0` `2.23.0` `2.24.0` `2.25.0` `2.25.1` `2.26.0` `2.27.0` `2.27.1` `2.28.0` `2.28.1` `2.28.2` `2.29.0` `2.3.0` `2.30.0` `2.31.0` `2.32.0` `2.32.1` `2.32.2` `2.32.3` `2.4.0` `2.4.1` `2.4.2` `2.4.3` `2.5.0` `2.5.1` `2.5.2` `2.5.3` `2.6.0` `2.6.1` `2.6.2` `2.7.0` `2.8.0` `2.8.1` `2.9.0` `2.9.1` `2.9.2`

Also listed as affected (155)

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.

For older versions of Requests, use of the .netrc file can be disabled with trust_env=False on your Requests Session (docs).