Vulnerability · Published Jan 27, 2026 · Assigned by GovTech CSG

CVE-2026-24824A XSS in yacy/yacy_search_server

Medium 6.9

In plain English

A medium-severity cross-site scripting in yacy_search_server from yacy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.4%top 68.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in yacy yacy_search_server (source/net/yacy/http/servlets modules). This vulnerability is associated with program files YaCyDefaultServlet.Java. This issue affects yacy_search_server.

Affected products (as reported)

VendorProductVersions
yacy yacy_search_server 0 – through 1.92

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/AU:Y/R:U/V:D/RE:M/U:Amber

References