Is there a public exploit for CVE-2026-122146?

No public exploit for CVE-2026-122146 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-2026-122146?

CVE-2026-122146 scores CVSS 6.9 (v4.0), rated medium.

What does CVE-2026-122146 affect?

CVE-2026-122146 affects 101arrowz fflate.

6.9 Medium

A weakness has been identified in 101arrowz fflate up to 0.8.3.

CVE-2026-122146

A weakness has been identified in 101arrowz fflate up to 0.8.3. This issue affects the function unzipSync of the file esm/index.mjs. This manipulation causes memory corruption. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Assessment

CVSS: 6.9 (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: 5 November 2026
Last updated: 5 November 2026
Affected: 101arrowz · fflate
Assigner: VulDB

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

At the source

EUVD (ENISA)

References

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