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Vulnerability · Published May 9, 2026 · Assigned by VulDB

CVE-2026-8211codelibs Fess JSP File AdminDesignAction.java update code injection

Medium 4.7

In plain English

A medium-severity code injection in Fess from codelibs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.2%top 84.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in codelibs Fess up to 15.5.1. Affected by this issue is the function update of the file org/codelibs/fess/app/web/admin/design/AdminDesignAction.java of the component JSP File Handler. The manipulation of the argument content results in code injection. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

VendorProductVersions
codelibs Fess 15.5.015.5.1

Weakness: CWE-94, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References