Vulnerability details
CVE-2026-34079
Flatpak Flatpak
Flatpak affected by arbitrary file deletion on the host filesystem
CVSS 4.0
8.7High
Official description
Flatpak is a Linux application sandboxing and distribution framework. Prior to 1.16.4, the caching for ld.so removes outdated cache files without properly checking that the app controlled path to the outdated cache is in the cache directory. This allows Flatpak apps to delete arbitrary files on the host. This vulnerability is fixed in 1.16.4.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| 7.5High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Flatpak | Flatpak | < 1.16.4 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://github.com/flatpak/flatpak/security/advisories/GHSA-p29x-r292-46pp x_refsource_CONFIRM
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Details
- Published
- 2026-04-08
- Last updated
- 2026-04-10
- State
- Published
- Assigner (CNA)
- GitHub_M
Exploit prediction (EPSS)
0.32%
Probability of exploitation in 30 days
26%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')