What is CVE-2026-23768?

CVE-2026-23768 is a medium-severity vulnerability in Naver Lucy-xss-filter, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.1/10. Published 2026-01-16.

How severe is CVE-2026-23768?

Medium severity. CVSS v3 base score is 6.1 out of 10.

SSRF in Naver Lucy-xss-filter

CVE-2026-23768

lucy-xss-filter before commit 7c1de6d allows an attacker to induce server-side HEAD requests to arbitrary URLs when the ObjectSecurityListener or EmbedSecurityListener option is enabled and embed or object tags are used with a src attribut…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (11.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Naver Lucy-xss-filter — versions 7c1de6db76749ceb7b382493da29c4348853cf6b

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

cve@navercorp.com (vendor-advisory, Vendor Advisory)
cve@navercorp.com (Exploit, Patch, mitigation)

Frequently asked questions

What is CVE-2026-23768?: CVE-2026-23768 is a medium-severity vulnerability in Naver Lucy-xss-filter, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.1/10. Published 2026-01-16.
How severe is CVE-2026-23768?: Medium severity. CVSS v3 base score is 6.1 out of 10.