Is there a public exploit for CVE-2026-77026?

No public exploit for CVE-2026-77026 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-2026-77026?

CVE-2026-77026 scores CVSS 6.9 (v4.0), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.45%.

What does CVE-2026-77026 affect?

CVE-2026-77026 affects tassos.gr Convert Forms extension for Joomla.

6.9 Medium

Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension 1.0.0-4.4.16, 5.0.0-5.2.5 - CAPTCHA and field…

CVE-2026-77026

Joomla Extension - tassos.gr - Client-controlled validation bypass in Convert Forms extension 1.0.0-4.4.16, 5.0.0-5.2.5 - CAPTCHA and field validation bypass.

Assessment

CVSS: 6.9 (v4.0)
Severity: Medium
EPSS: 0.45% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 20 August 2026
Last updated: 2 November 2026
Affected: tassos.gr · Convert Forms extension for Joomla
Assigner: Joomla

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

At the source

EUVD (ENISA)

References

https://www.tassos.gr/joomla-extensions/convert-forms

Community proofs of concept

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