Is there a public exploit for CVE-2026-123207?

No public exploit for CVE-2026-123207 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-2026-123207?

CVE-2026-123207 scores CVSS 2.3 (v4.0), rated low.

What does CVE-2026-123207 affect?

CVE-2026-123207 affects LibreSpark LibreTV.

2.3 Low

LibreTV before v2.21.2 contains a server-side request forgery vulnerability that allows authenticated users to bypass…

CVE-2026-123207

LibreTV before v2.21.2 contains a server-side request forgery vulnerability that allows authenticated users to bypass checkUpstreamAllowed() by exploiting unpinned DNS resolution in fetchWithSafeRedirects(). Attackers controlling authoritative DNS can return public addresses during validation and internal addresses at connection time via /api/source/test, /api/proxy, /api/search or /api/detail to reach loopback services, private hosts or cloud metadata endpoints.

Assessment

CVSS: 2.3 (v4.0)
Severity: Low
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: LibreSpark · LibreTV
Assigner: VulnCheck

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

At the source

EUVD (ENISA)

References

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