CVE-2025-11563 (GCVE-0-2025-11563)

Vulnerability from cvelistv5 – Published: 2026-02-25 07:20 – Updated: 2026-02-25 18:53
VLAI
Title
wcurl path traversal with percent-encoded slashes
Summary
URLs containing percent-encoded slashes (`/` or `\`) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool.
Severity
4.6 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-25 18:53 UTC
CWE
Assigner
curl CNA
References
Impacted products
Vendor Product Version
curl curl Affected: 8.17.0 , ≤ 8.17.0 (semver)
Affected: 8.16.0 , ≤ 8.16.0 (semver)
Affected: 8.15.0 , ≤ 8.15.0 (semver)
Affected: 8.14.1 , ≤ 8.14.1 (semver)
Affected: 8.14.0 , ≤ 8.14.0 (semver)
Create a notification for this product.
Credits
Stanislav Fort (Aisle Research) Samuel Henrique Sergio Durigan Junior Xi Ruoyao
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-02-25T07:24:31.792Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/11/04/1"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 4.6,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-11563",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-25T18:53:51.461545Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-25T18:53:58.252Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "release-notes"
            ],
            "url": "https://lists.debian.org/debian-release/2025/11/msg00504.html"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "curl",
          "vendor": "curl",
          "versions": [
            {
              "lessThanOrEqual": "8.17.0",
              "status": "affected",
              "version": "8.17.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.16.0",
              "status": "affected",
              "version": "8.16.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.15.0",
              "status": "affected",
              "version": "8.15.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.14.1",
              "status": "affected",
              "version": "8.14.1",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.14.0",
              "status": "affected",
              "version": "8.14.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Stanislav Fort (Aisle Research)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Samuel Henrique"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Sergio Durigan Junior"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Xi Ruoyao"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "URLs containing percent-encoded slashes (`/` or `\\`) can trick wcurl into\nsaving the output file outside of the current directory without the user\nexplicitly asking for it.\n\nThis flaw only affects the wcurl command line tool."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-35 Path Traversal",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-25T07:20:47.012Z",
        "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "shortName": "curl"
      },
      "references": [
        {
          "name": "json",
          "url": "https://curl.se/docs/CVE-2025-11563.json"
        },
        {
          "name": "www",
          "url": "https://curl.se/docs/CVE-2025-11563.html"
        }
      ],
      "title": "wcurl path traversal with percent-encoded slashes"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
    "assignerShortName": "curl",
    "cveId": "CVE-2025-11563",
    "datePublished": "2026-02-25T07:20:47.012Z",
    "dateReserved": "2025-10-09T13:50:54.563Z",
    "dateUpdated": "2026-02-25T18:53:58.252Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2026-02-25T07:24:31.792Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "url": "http://www.openwall.com/lists/oss-security/2025/11/04/1"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "NONE",
                  "baseScore": 4.6,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "LOW",
                  "integrityImpact": "LOW",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "REQUIRED",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-11563",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-02-25T18:53:51.461545Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-02-25T18:50:14.572Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "release-notes"
                ],
                "url": "https://lists.debian.org/debian-release/2025/11/msg00504.html"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "curl",
              "vendor": "curl",
              "versions": [
                {
                  "lessThanOrEqual": "8.17.0",
                  "status": "affected",
                  "version": "8.17.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "8.16.0",
                  "status": "affected",
                  "version": "8.16.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "8.15.0",
                  "status": "affected",
                  "version": "8.15.0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "8.14.1",
                  "status": "affected",
                  "version": "8.14.1",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "8.14.0",
                  "status": "affected",
                  "version": "8.14.0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Stanislav Fort (Aisle Research)"
            },
            {
              "lang": "en",
              "type": "remediation developer",
              "value": "Samuel Henrique"
            },
            {
              "lang": "en",
              "type": "remediation developer",
              "value": "Sergio Durigan Junior"
            },
            {
              "lang": "en",
              "type": "remediation developer",
              "value": "Xi Ruoyao"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "URLs containing percent-encoded slashes (`/` or `\\`) can trick wcurl into\nsaving the output file outside of the current directory without the user\nexplicitly asking for it.\n\nThis flaw only affects the wcurl command line tool."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "CWE-35 Path Traversal",
                  "lang": "en"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-02-25T07:20:47.012Z",
            "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
            "shortName": "curl"
          },
          "references": [
            {
              "name": "json",
              "url": "https://curl.se/docs/CVE-2025-11563.json"
            },
            {
              "name": "www",
              "url": "https://curl.se/docs/CVE-2025-11563.html"
            }
          ],
          "title": "wcurl path traversal with percent-encoded slashes"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "assignerShortName": "curl",
        "cveId": "CVE-2025-11563",
        "datePublished": "2026-02-25T07:20:47.012Z",
        "dateReserved": "2025-10-09T13:50:54.563Z",
        "dateUpdated": "2026-02-25T18:53:58.252Z",
        "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.