CVE-2026-8211 (GCVE-0-2026-8211)

Vulnerability from cvelistv5 – Published: 2026-05-09 22:15 – Updated: 2026-05-09 22:15
VLAI?
Title
codelibs Fess JSP File AdminDesignAction.java update code injection
Summary
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.
Severity ?
5.1 (Medium)
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
4.7 (Medium)
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
4.7 (Medium)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CWE
Assigner
References
Impacted products
Vendor Product Version
codelibs Fess Affected: 15.5.0
Affected: 15.5.1
Create a notification for this product.
Credits
R1ckyZ (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
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      "affected": [
        {
          "modules": [
            "JSP File Handler"
          ],
          "product": "Fess",
          "vendor": "codelibs",
          "versions": [
            {
              "status": "affected",
              "version": "15.5.0"
            },
            {
              "status": "affected",
              "version": "15.5.1"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "type": "reporter",
          "value": "R1ckyZ (VulDB User)"
        },
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          "lang": "en",
          "type": "coordinator",
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        }
      ],
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        }
      ],
      "metrics": [
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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      "references": [
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          "name": "VDB-362419 | codelibs Fess JSP File AdminDesignAction.java update code injection",
          "tags": [
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            "technical-description"
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          "url": "https://vuldb.com/vuln/362419"
        },
        {
          "name": "VDB-362419 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
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          "url": "https://vuldb.com/vuln/362419/cti"
        },
        {
          "name": "Submit #804293 | CodeLibs Fess 15.5.1 Arbitrary File Write",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/804293"
        },
        {
          "tags": [
            "exploit"
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          "url": "https://bv3acdnplbr.feishu.cn/docx/Kk1tdEAfAoV6kZxVozUc8UA4nog?from=from_copylink"
        }
      ],
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          "time": "2026-05-09T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-09T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-09T08:14:51.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "codelibs Fess JSP File AdminDesignAction.java update code injection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-8211",
    "datePublished": "2026-05-09T22:15:38.888Z",
    "dateReserved": "2026-05-09T06:09:47.025Z",
    "dateUpdated": "2026-05-09T22:15:38.888Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.