CVE-2026-96807

Summary

In Flatpak before 1.18.1, a malicious sandboxed app can replace ~/.var/app/$appid/.ld.so with a symlink, causing regenerate_ld_cache to write files at an arbitrary location. The filenames and content are not attacker controlled, making this hard to exploit.

Affected Software

Weaknesses

• CWE-61: CWE-61 UNIX Symbolic Link (Symlink) Following

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/flatpak/flatpak/security/advisories/GHSA-99wv-m8rp-g58x

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