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CVE-2026-77113— Path Traversal Vulnerability in apport-unpack

Quick assessment

Affected
Canonical Apport
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Canonical Apport crash detection/reporting是英国Canonical公司开源的一款崩溃检测与报告组件。 Canonical Apport crash detection/reporting 2.36.0之前版本、2.34.2之前版本和2.28.4之前版本存在路径遍历漏洞，该漏洞源于apport-unpack存在路径遍历问题，攻击者可通过控制崩溃报告文件中的键名创建或覆盖任意文件，并以当前用户权限执行。

CVSS 6.7 · Medium EPSS 0.20% · P9

Affected Version Matrix 3

VendorProduct Version RangeStatus
Canonical Apport < 2.36.0 affected
< 2.34.2 affected
< 2.28.4 affected
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I. Basic Information for CVE-2026-77113

Vulnerability Information
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Vulnerability Title
Path Traversal Vulnerability in apport-unpack
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Canonical Apport crash detection/reporting 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canonical Apport crash detection/reporting是英国Canonical公司开源的一款崩溃检测与报告组件。 Canonical Apport crash detection/reporting 2.36.0之前版本、2.34.2之前版本和2.28.4之前版本存在路径遍历漏洞，该漏洞源于apport-unpack存在路径遍历问题，攻击者可通过控制崩溃报告文件中的键名创建或覆盖任意文件，并以当前用户权限执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Canonical Apport 0 ~ 2.36.0 -

II. Public POCs for CVE-2026-77113

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III. Intelligence Information for CVE-2026-77113

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Patches & Fixes for CVE-2026-77113 (2)

Same Patch Batch · Canonical · 2026-08-20 · 3 CVEs total

CVE-2026-61897 7.8 HIGH accountsservice: incomplete privilege drop when running Ubuntu-specific language helper sc
CVE-2026-61898 7.8 HIGH accountsservice: shell injection via attacker-controlled ~/.pam_environment in Ubuntu lang

IV. Related Vulnerabilities

Same product: Apport
Same vendor: Canonical
Same weakness: CWE-23

V. Comments for CVE-2026-77113

Anonymous User
2026-08-21 15:14:02

https://github.com/0xROI/CVE-2026-77113

Anonymous User
2026-08-21 15:14:07

https://github.com/0xROI/CVE-2026-77113

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