CVE-2026-59797 (GCVE-0-2026-59797)

Vulnerability from cvelistv5 – Published: 2026-10-01 16:08 – Updated: 2026-10-01 20:09
VLAI
Title
Apache HTTP Server: mod_ssl SSLRequire allows .htaccess ap_expr file-function
Summary
Improper Privilege Management vulnerability in Apache HTTP Server's mod_ssl via SSLRequire and file-related expressions. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 19:09 UTC
CWE
  • CWE-269 - Improper Privilege Management
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1085 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache HTTP Server Affected: 2.4.0 , ≤ 2.4.68 (semver)
guessed Create a notification for this product.
Credits
kimchunbok l1nx1n Juthawong Naisanguansee Charles Vosburgh Mike Read Ryoma Nishioka
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-59797",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-01T19:09:41.785973Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-01T19:10:09.563Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-10-01T20:09:28.423Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/10/01/22"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache HTTP Server",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.4.68",
              "status": "affected",
              "version": "2.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "kimchunbok"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "l1nx1n"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Juthawong Naisanguansee"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Charles Vosburgh"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Mike Read"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Ryoma Nishioka"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eImproper Privilege Management vulnerability in Apache HTTP Server\u0027s mod_ssl via SSLRequire and file-related expressions.\u003c/p\u003e\u003cp\u003eThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.\u003c/p\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e"
            }
          ],
          "value": "Improper Privilege Management vulnerability in Apache HTTP Server\u0027s mod_ssl via SSLRequire and file-related expressions.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "low"
            },
            "type": "Textual description of severity"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-01T16:08:31.362Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-28T12:00:00.000Z",
          "value": "reported"
        },
        {
          "lang": "en",
          "time": "2026-10-01T12:00:00.000Z",
          "value": "fixed in 2.4.x by r1938672"
        },
        {
          "lang": "eng",
          "time": "2026-10-01T12:00:00.000Z",
          "value": "2.4.69 released"
        }
      ],
      "title": "Apache HTTP Server: mod_ssl SSLRequire allows .htaccess ap_expr file-function",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-59797",
    "datePublished": "2026-10-01T16:08:31.362Z",
    "dateReserved": "2026-07-07T11:36:12.629Z",
    "dateUpdated": "2026-10-01T20:09:28.423Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-59797",
      "date": "2026-10-28",
      "epss": "0.00486",
      "percentile": "0.41666"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Apache HTTP Server",
                "vendor": "Apache Software Foundation",
                "versions": [
                  {
                    "lessThanOrEqual": "2.4.68",
                    "status": "affected",
                    "version": "2.4.0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "security@apache.org"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "2571DF83-8980-4BEF-9EBE-AB2D9E6C03C7",
                    "versionEndExcluding": "2.4.69",
                    "versionStartIncluding": "2.4.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Improper Privilege Management vulnerability in Apache HTTP Server\u0027s mod_ssl via SSLRequire and file-related expressions.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68."
          }
        ],
        "id": "CVE-2026-59797",
        "lastModified": "2026-10-05T13:16:52.940",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-59797",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "yes"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-01T19:09:41.785973Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-10-01T17:17:29.527",
        "references": [
          {
            "source": "security@apache.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2026/10/01/22"
          }
        ],
        "sourceIdentifier": "security@apache.org",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-269"
              }
            ],
            "source": "security@apache.org",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-10-12T14:38:41+00:00",
      "cve": "CVE-2026-59797",
      "id": "CVE-2026-59797",
      "initial_release_date": "2026-10-01T16:08:31.362000+00:00",
      "product_status:fixed": "23",
      "product_status:known_affected": "67",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "httpd: Apache HTTP Server: mod_ssl SSLRequire allows .htaccess ap_expr file-function",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59797.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2026-10-01T20:09:28.423Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "url": "http://www.openwall.com/lists/oss-security/2026/10/01/22"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "HIGH",
                  "baseScore": 9.8,
                  "baseSeverity": "CRITICAL",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "HIGH",
                  "privilegesRequired": "NONE",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-59797",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-10-01T19:09:41.785973Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-10-01T19:10:04.070Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Apache HTTP Server",
              "vendor": "Apache Software Foundation",
              "versions": [
                {
                  "lessThanOrEqual": "2.4.68",
                  "status": "affected",
                  "version": "2.4.0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "kimchunbok"
            },
            {
              "lang": "en",
              "type": "finder",
              "value": "l1nx1n"
            },
            {
              "lang": "en",
              "type": "finder",
              "value": "Juthawong Naisanguansee"
            },
            {
              "lang": "en",
              "type": "finder",
              "value": "Charles Vosburgh"
            },
            {
              "lang": "en",
              "type": "finder",
              "value": "Mike Read"
            },
            {
              "lang": "en",
              "type": "finder",
              "value": "Ryoma Nishioka"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cp\u003eImproper Privilege Management vulnerability in Apache HTTP Server\u0027s mod_ssl via SSLRequire and file-related expressions.\u003c/p\u003e\u003cp\u003eThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.\u003c/p\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e"
                }
              ],
              "value": "Improper Privilege Management vulnerability in Apache HTTP Server\u0027s mod_ssl via SSLRequire and file-related expressions.\n\n\n\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.68."
            }
          ],
          "metrics": [
            {
              "other": {
                "content": {
                  "text": "low"
                },
                "type": "Textual description of severity"
              },
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-269",
                  "description": "CWE-269 Improper Privilege Management",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-10-01T16:08:31.362Z",
            "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
            "shortName": "apache"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "timeline": [
            {
              "lang": "en",
              "time": "2026-06-28T12:00:00.000Z",
              "value": "reported"
            },
            {
              "lang": "en",
              "time": "2026-10-01T12:00:00.000Z",
              "value": "fixed in 2.4.x by r1938672"
            },
            {
              "lang": "eng",
              "time": "2026-10-01T12:00:00.000Z",
              "value": "2.4.69 released"
            }
          ],
          "title": "Apache HTTP Server: mod_ssl SSLRequire allows .htaccess ap_expr file-function",
          "x_generator": {
            "engine": "Vulnogram 0.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "assignerShortName": "apache",
        "cveId": "CVE-2026-59797",
        "datePublished": "2026-10-01T16:08:31.362Z",
        "dateReserved": "2026-07-07T11:36:12.629Z",
        "dateUpdated": "2026-10-01T20:09:28.423Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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

Author Source Type Date Other

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.