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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2026-34079

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 Prior to 1.16.4, the caching for ld.so removes outdated cache files without properly checking that the app controlled path to the outdated cache is in the cache directory.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 8.7 · HighBuzz score 21.0

Buzz score

Why this CVE is surfacing

Buzz score total 21.0

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
10.0
2 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first
  • Flatpak 1.16.4 fixes sandbox escape and three other security flawsHelp Net Security

    Flatpak, a Linux application sandboxing and distribution framework, released version 1.16.4, patching four security vulnerabilities. The most severe fix addresses a complete sandbox escape that leads to host file access and code execution in the host context, tracked as CVE-2026-34078. File system exposure Two additional fixes address file system exposure on the host. CVE-2026-34079 prevents arbitrary file deletion on the host filesystem. GHSA-2fxp-43j9-pwvc prevents arbitrary read-access to files in the system-helper context. The fourth fix, … More →

    newswww.helpnetsecurity.comApr 8, 2026, 8:32 AM
  • https://github.com/flatpak/flatpak/security/advisories/GHSA-p29x-r292-46ppgithub.com

    No excerpt available.

    Exploitgithub.comApr 7, 2026, 10:16 PM

Exploit code

Public exploit repository references

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0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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