CVE-2026-77113 Path Traversal Vulnerability in apport-unpack
An attacker can create or overwrite arbitrary files with user privileges via crafted crash report keys in Apport.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-77113?
CVE-2026-77113 is a medium-severity path traversal vulnerability in Canonical Apport, published on 20 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-23
Which versions are affected by CVE-2026-77113?
How do I fix CVE-2026-77113?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-77113 being exploited?
There is no known exploitation of CVE-2026-77113 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as CLSA-2026-1792507532, GHSA-m4rr-rf2f-g267.