Is there a public exploit for CVE-2026-129490?

No public exploit for CVE-2026-129490 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-129490?

CVE-2026-129490 scores CVSS 6.8 (v4.0), rated medium.

What does CVE-2026-129490 affect?

CVE-2026-129490 affects littlefs-project littlefs.

6.8 Medium

littlefs through 2.11.3, when built with LFSMIGRATE, contains a type confusion vulnerability in lfsdirtraverse() that treats a stack…

CVE-2026-129490

littlefs through 2.11.3, when built with LFSMIGRATE, contains a type confusion vulnerability in lfsdirtraverse() that treats a stack lfsdiskoff struct as an lfsattr array. Attackers can supply a crafted littlefs v1 image whose metadata is read as LFSFROMUSERATTRS during migration, causing out-of-bounds stack reads and process crashes.

Assessment

CVSS: 6.8 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 15 November 2026
Last updated: 15 November 2026
Affected: littlefs-project · littlefs
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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