CVE-2026-77113 PUBLISHED

Path Traversal Vulnerability in apport-unpack

Assigner: canonical
Reserved: 20.08.2026 Published: 20.08.2026 Updated: 20.08.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Canonical
Product	Apport
Versions	Default: unaffected affected from 0 to 2.36.0 (excl.) affected from 0 to 2.34.2 (excl.) affected from 0 to 2.28.4 (excl.)

Credits

Sakib Sarkar (0xROI) finder

References

Problem Types

CWE-23 Relative path traversal CWE

Impacts

CAPEC-126 Path Traversal