Path Trvsl in Canonical Apportunpack <2.36.0 via Crash Report Keys
CVE-2026-77113 Published on August 20, 2026
Path Traversal Vulnerability in apport-unpack
Path traversal in apport-unpack in Canonical Apport before 2.36.0, 2.34.2, and 2.28.4 on Linux allows an attacker to create or overwrite arbitrary files with the privileges of the executing user via an attacker controlled key names in crash report files.
Vulnerability Analysis
CVE-2026-77113 can be exploited with local system access. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
Relative Path Traversal
The software uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This allows attackers to traverse the file system to access files or directories that are outside of the restricted directory.
Products Associated with CVE-2026-77113
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Affected Versions
Canonical Apport:- Before 2.36.0 is affected.
- Before 2.34.2 is affected.
- Before 2.28.4 is affected.