FKIE_CVE-2026-43514

Vulnerability from fkie_nvd - Published: 2026-05-12 16:16 - Updated: 2026-05-14 18:46
Severity ?
3.7 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
References
security@apache.orghttps://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1mMailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/05/12/10Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
apache tomcat *
apache tomcat *
apache tomcat *
apache tomcat *
apache tomcat *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5BE0EC99-5BCD-4F7F-8124-4A1734B7BF6B",
              "versionEndIncluding": "7.0.109",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
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            }
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Observable Timing Discrepancy vulnerability\u00a0when comparing AJP secret in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.\nOlder unsupported versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue."
    }
  ],
  "id": "CVE-2026-43514",
  "lastModified": "2026-05-14T18:46:41.457",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-12T16:16:18.370",
  "references": [
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      "tags": [
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        "Vendor Advisory"
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  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
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          "lang": "en",
          "value": "CWE-208"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}


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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.
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