CVE-2026-123207: LibreSpark LibreTV

LibreTV before v2.21.2 SSRF Protection Bypass via DNS Rebinding

CVSS 2.3 Low

Published by the CVE Program (CNA: VulnCheck) at 5 Nov 2026, 18:16 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
LibreSpark	LibreTV pkg:github/librespark/libretv	affected before v2.21.2 custom Other versions: unaffected

Identifiers

CVE-2026-123207

CNA

VulnCheck

Weakness (CWE)

CWE-367

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
2.3	Low	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N	CNA (VulnCheck)Used for this record
3.1	Low	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS No score.

Timeline

5 Nov 2026, 18:16 UTC Confirmed by the CVE List
5 Nov 2026, 18:19 UTC First seen by agentprime
5 Nov 2026, 19:17 UTC Confirmed by NVD

Sources

References from the CNA

github.com/LibreSpark/LibreTV/issues/941 issue-tracking
github.com/LibreSpark/LibreTV/pull/960 patchissue-tracking
github.com/LibreSpark/LibreTV/commit/cb4219368b7f6502387a703ef2a781ba763da2b1 patch
github.com/LibreSpark/LibreTV/releases/tag/v2.21.2 release-notes
github.com/LibreSpark/LibreTV/blob/29cbeb3d37b4876f909a0354087a3531af0447f6/src/lib/ssrf.ts#L56-L85 technical-description
www.vulncheck.com/advisories/libretv-before-2.21.2-ssrf-protection-bypass-via-dns-rebinding third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.