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Medium 6.9Published Jan 27, 2026

CVE-2026-24824A XSS in yacy/yacy_search_server

Updated under an hour ago ()

Does this affect you?

It affects yacy_search_server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.9 MEDIUM (v4.0, CNA)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
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GovTech CSG
NVD analysis
Deferred
Record last updated
Jan 27, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
yacy yacy_search_server
yacy:search_server (from the name)
through 1.92
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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