CVE-2026-8211

codelibs Fess JSP File AdminDesignAction.java update code injection

CVSS 5.1 MEDIUMEPSS 0.2%CWE-74 CWE-94

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.1EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

09 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected products

codelibs · Fess

public PoCs found — 1

cve_referencebv3acdnplbr.feishu.cn/docx/Kk1tdEAfAoV6kZxVozUc8UA4nog?from=from_copylinkunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://bv3acdnplbr.feishu.cn/docx/Kk1tdEAfAoV6kZxVozUc8UA4nog?from=from_copylink https://vuldb.com/submit/804293 https://vuldb.com/vuln/362419 https://vuldb.com/vuln/362419/cti