Vulnerability-Lookup

CVE-2026-49145 (GCVE-0-2026-49145)

Vulnerability from cvelistv5 – Published: 2026-07-08 14:55 – Updated: 2026-07-08 17:31

Title

App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc

Summary

App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc. ack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted. A project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-08 15:21 UTC

CWE

CWE-73 - External Control of File Name or Path
CWE-426 - Untrusted Search Path

Assigner

CPANSec CNA under the redhat root

CNA scorecard C 64/100 over 273 records in the last 180 days details

References

2 references

URL	Tags
https://metacpan.org/release/PETDANCE/ack-v3.10.0…	release-notes
http://www.openwall.com/lists/oss-security/2026/07/08/7

Impacted products

1 product

Vendor	Product	Version	CPE status
PETDANCE	App::Ack	Affected: 0 , ≤ 3.10.0 (custom)	guessed

Credits

Michał Majchrowicz (AFINE) Marcin Wyczechowski (AFINE)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-49145",
                "options": [
                  {
                    "Exploitation": "none"
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                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-07-08T15:21:08.032707Z",
                "version": "2.0.3"
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          "shortName": "CISA-ADP"
        },
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      },
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          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
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            "lib/App/Ack/ConfigLoader.pm"
          ],
          "programRoutines": [
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              "name": "App::Ack::ConfigFinder::find_config_files"
            },
            {
              "name": "App::Ack::ConfigLoader::_process_other"
            }
          ],
          "repo": "https://github.com/beyondgrep/ack3",
          "vendor": "PETDANCE",
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              "version": "0",
              "versionType": "custom"
            }
          ]
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          "type": "finder",
          "value": "Micha\u0142 Majchrowicz (AFINE)"
        },
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          "lang": "en",
          "type": "finder",
          "value": "Marcin Wyczechowski (AFINE)"
        }
      ],
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          "lang": "en",
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        }
      ],
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          "descriptions": [
            {
              "cweId": "CWE-73",
              "description": "CWE-73 External Control of File Name or Path",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-426",
              "description": "CWE-426 Untrusted Search Path",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-08T14:55:13.819Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to a future ack release."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-07T00:00:00.000Z",
          "value": "Version 3.10.0 released with partial fix for the --follow option."
        }
      ],
      "title": "App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc",
      "workarounds": [
        {
          "lang": "en",
          "value": "Run ack with --noenv, or avoid running ack in a directory tree that contains an untrusted .ackrc."
        }
      ],
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2026-49145",
    "datePublished": "2026-07-08T14:55:13.819Z",
    "dateReserved": "2026-05-27T17:50:04.538Z",
    "dateUpdated": "2026-07-08T17:31:32.120Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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    "epss": {
      "cve": "CVE-2026-49145",
      "date": "2026-10-16",
      "epss": "0.00488",
      "percentile": "0.40591"
    },
    "nvd": {
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        "affected": [
          {
            "affectedData": [
              {
                "collectionURL": "https://cpan.org/modules",
                "defaultStatus": "unaffected",
                "packageName": "ack",
                "product": "App::Ack",
                "programFiles": [
                  "lib/App/Ack/ConfigFinder.pm",
                  "lib/App/Ack/ConfigLoader.pm"
                ],
                "programRoutines": [
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          }
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        "descriptions": [
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            "value": "App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc.\n\nack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted.\n\nA project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines."
          }
        ],
        "id": "CVE-2026-49145",
        "lastModified": "2026-07-08T20:16:50.347",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
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                  },
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                  }
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                "version": "2.0.3"
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        "references": [
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            "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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          },
          {
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            "url": "http://www.openwall.com/lists/oss-security/2026/07/08/7"
          }
        ],
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        "vulnStatus": "Deferred",
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                "lang": "en",
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              }
            ],
            "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2026-07-08T17:31:32.120Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            },
            "references": [
              {
                "url": "http://www.openwall.com/lists/oss-security/2026/07/08/7"
              }
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            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
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              "programRoutines": [
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          ],
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          },
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            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Upgrade to a future ack release."
            }
          ],
          "source": {
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          },
          "timeline": [
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              "time": "2026-06-07T00:00:00.000Z",
              "value": "Version 3.10.0 released with partial fix for the --follow option."
            }
          ],
          "title": "App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc",
          "workarounds": [
            {
              "lang": "en",
              "value": "Run ack with --noenv, or avoid running ack in a directory tree that contains an untrusted .ackrc."
            }
          ],
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          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "assignerShortName": "CPANSec",
        "cveId": "CVE-2026-49145",
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}

FKIE_CVE-2026-49145

Vulnerability from fkie_nvd - Published: 2026-07-08 15:16 - Updated: 2026-07-08 20:16

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

	URL	Tags
	9b29abf9-4ab0-4765-b253-1875cd9b441e	https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes
	af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/07/08/7

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "ack",
          "product": "App::Ack",
          "programFiles": [
            "lib/App/Ack/ConfigFinder.pm",
            "lib/App/Ack/ConfigLoader.pm"
          ],
          "programRoutines": [
            {
              "name": "App::Ack::ConfigFinder::find_config_files"
            },
            {
              "name": "App::Ack::ConfigLoader::_process_other"
            }
          ],
          "repo": "https://github.com/beyondgrep/ack3",
          "vendor": "PETDANCE",
          "versions": [
            {
              "lessThanOrEqual": "3.10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
    }
  ],
  "cveTags": [],
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    {
      "lang": "en",
      "value": "App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc.\n\nack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted.\n\nA project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines."
    }
  ],
  "id": "CVE-2026-49145",
  "lastModified": "2026-07-08T20:16:50.347",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-08T15:21:08.032707Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-08T15:16:27.563",
  "references": [
    {
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "url": "https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/08/7"
    }
  ],
  "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-73"
        },
        {
          "lang": "en",
          "value": "CWE-426"
        }
      ],
      "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
      "type": "Secondary"
    }
  ]
}

GHSA-C2RV-G977-2FXR

Vulnerability from github – Published: 2026-07-08 15:32 – Updated: 2026-07-08 21:30

Details

App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc.

ack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted.

A project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-49145"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-73"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-08T15:16:27Z",
    "severity": "HIGH"
  },
  "details": "App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc.\n\nack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted.\n\nA project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines.",
  "id": "GHSA-c2rv-g977-2fxr",
  "modified": "2026-07-08T21:30:26Z",
  "published": "2026-07-08T15:32:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49145"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/PETDANCE/ack-v3.10.0/source/Changes"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/08/7"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

OPENSUSE-SU-2026:10965-1

Vulnerability from csaf_opensuse - Published: 2026-06-08 00:00 - Updated: 2026-09-20 21:48

Summary

ack-3.10.0-1.1 on GA media

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2026-49145.

CVE-2026-49145

Recommended: 8 products

Open the full advisory

UBUNTU-CVE-2026-49145 (CVE-2026-49145)

Vulnerability from osv_ubuntu – Published: 2026-07-08 15:16 – Updated: 2026-07-15 17:52 – Source website

Details

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-49145	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-49145	REPORT
	https://lists.security.metacpan.org/cve-announce/…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ack",
            "binary_version": "2.22-1"
          },
          {
            "binary_name": "ack-grep",
            "binary_version": "2.22-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ack",
        "purl": "pkg:deb/ubuntu/ack@2.22-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.22-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ack",
            "binary_version": "3.3.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "ack",
        "purl": "pkg:deb/ubuntu/ack@3.3.1-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.2-1",
        "3.1.3-1",
        "3.2.0-1",
        "3.3.1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ack",
            "binary_version": "3.5.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "ack",
        "purl": "pkg:deb/ubuntu/ack@3.5.0-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.0-1",
        "3.5.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ack",
            "binary_version": "3.7.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "ack",
        "purl": "pkg:deb/ubuntu/ack@3.7.0-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.7.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ack",
            "binary_version": "3.8.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "ack",
        "purl": "pkg:deb/ubuntu/ack@3.8.1-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.7.0-1",
        "3.8.1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ack",
            "binary_version": "3.8.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "ack",
        "purl": "pkg:deb/ubuntu/ack@3.8.1-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.8.1-1"
      ]
    }
  ],
  "aliases": [],
  "details": "App::Ack versions through 3.10.0 for Perl read arbitrary files via --files-from in a project .ackrc. ack searches up the directory hierarchy from the current directory for a project .ackrc and loads its options. The project-source option blocklist in App::Ack::ConfigLoader does not include --files-from, so a project .ackrc can set it to a path whose listed files ack then reads and searches. Version 3.10.0 added --follow to the blocklist; --files-from remains accepted. A project .ackrc committed to an untrusted repository can make ack read files outside the project and print their matching lines.",
  "id": "UBUNTU-CVE-2026-49145",
  "modified": "2026-07-15T17:52:47Z",
  "published": "2026-07-08T15:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-49145"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-49145"
    },
    {
      "type": "REPORT",
      "url": "https://lists.security.metacpan.org/cve-announce/msg/41643327/"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-49145"
  ]
}

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

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CVE-2026-49145 (GCVE-0-2026-49145)

FKIE_CVE-2026-49145

GHSA-C2RV-G977-2FXR

OPENSUSE-SU-2026:10965-1

UBUNTU-CVE-2026-49145 (CVE-2026-49145)

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour