urllib in Python 2.x through 2.7.16 supports the localfile: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('localfile:///etc/passwd') call.
Last updated 18 August 2025
Last updated 18 August 2025
Last updated 18 August 2025
Last updated 18 August 2025
Last updated 24 July 2024