Vulnerability-Lookup

PYSEC-2026-2053

Vulnerability from pysec - Published: 2026-07-07 16:03 - Updated: 2026-07-07 17:25

Details

Impact

Multi-translation download could write to an arbitrary location when instructed by a crafted server.

Patches

https://github.com/WeblateOrg/wlc/pull/1128

Workarounds

Do not use wlc download with untrusted servers.

References

This issue was reported to us by wh1zee via HackerOne.

Severity

8.0 (High)


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

Impacted products

Name	purl
wlc	pkg:pypi/wlc

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wlc",
        "purl": "pkg:pypi/wlc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.17.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0",
        "0.1",
        "0.10",
        "0.2",
        "0.3",
        "0.4",
        "0.5",
        "0.6",
        "0.7",
        "0.8",
        "0.9",
        "1.0",
        "1.1",
        "1.10",
        "1.11",
        "1.12",
        "1.13",
        "1.14",
        "1.15",
        "1.16.1",
        "1.17.0",
        "1.17.1",
        "1.2",
        "1.3",
        "1.4",
        "1.5",
        "1.6",
        "1.7",
        "1.8",
        "1.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-23535",
    "GHSA-mmwx-79f6-67jg"
  ],
  "details": "### Impact\nMulti-translation download could write to an arbitrary location when instructed by a crafted server.\n\n### Patches\n* https://github.com/WeblateOrg/wlc/pull/1128\n\n### Workarounds\nDo not use `wlc download` with untrusted servers.\n\n### References\nThis issue was reported to us by [wh1zee](https://hackerone.com/wh1zee) via HackerOne.",
  "id": "PYSEC-2026-2053",
  "modified": "2026-07-07T17:25:51.828388Z",
  "published": "2026-07-07T16:03:18.960085Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23535"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/pull/1128"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/wlc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/releases/tag/1.17.2"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/wlc"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-mmwx-79f6-67jg"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command "
}

CVE-2026-23535 (GCVE-0-2026-23535)

Vulnerability from cvelistv5 – Published: 2026-01-16 19:08 – Updated: 2026-01-16 19:21

Title

wlc Path traversal: Unsanitized API slugs in download command

Summary

wlc is a Weblate command-line client using Weblate's REST API. Prior to 1.17.2, the multi-translation download could write to an arbitrary location when instructed by a crafted server. This vulnerability is fixed in 1.17.2.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-16 19:20 UTC

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

GitHub_M mitre root

References

4 references

URL	Tags
https://github.com/WeblateOrg/wlc/security/adviso…	x_refsource_CONFIRM
https://github.com/WeblateOrg/wlc/pull/1128	x_refsource_MISC
https://github.com/WeblateOrg/wlc/commit/216e691c…	x_refsource_MISC
https://github.com/WeblateOrg/wlc/releases/tag/1.17.2	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
WeblateOrg	wlc	Affected: < 1.17.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-23535",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-16T19:20:47.706307Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-16T19:21:22.629Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "wlc",
          "vendor": "WeblateOrg",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.17.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "wlc is a Weblate command-line client using Weblate\u0027s REST API. Prior to 1.17.2, the multi-translation download could write to an arbitrary location when instructed by a crafted server. This vulnerability is fixed in 1.17.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-16T19:08:24.882Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg"
        },
        {
          "name": "https://github.com/WeblateOrg/wlc/pull/1128",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/wlc/pull/1128"
        },
        {
          "name": "https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f"
        },
        {
          "name": "https://github.com/WeblateOrg/wlc/releases/tag/1.17.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/WeblateOrg/wlc/releases/tag/1.17.2"
        }
      ],
      "source": {
        "advisory": "GHSA-mmwx-79f6-67jg",
        "discovery": "UNKNOWN"
      },
      "title": "wlc Path traversal: Unsanitized API slugs in download command"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-23535",
    "datePublished": "2026-01-16T19:08:24.882Z",
    "dateReserved": "2026-01-13T18:22:43.982Z",
    "dateUpdated": "2026-01-16T19:21:22.629Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-MMWX-79F6-67JG

Vulnerability from github – Published: 2026-01-16 16:58 – Updated: 2026-01-16 21:56

Summary

Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command

Details

Impact

Multi-translation download could write to an arbitrary location when instructed by a crafted server.

Patches

https://github.com/WeblateOrg/wlc/pull/1128

Workarounds

Do not use wlc download with untrusted servers.

References

This issue was reported to us by wh1zee via HackerOne.

Severity

8.0 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wlc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.17.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-23535"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-01-16T16:58:26Z",
    "nvd_published_at": "2026-01-16T19:16:19Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nMulti-translation download could write to an arbitrary location when instructed by a crafted server.\n\n### Patches\n* https://github.com/WeblateOrg/wlc/pull/1128\n\n### Workarounds\nDo not use `wlc download` with untrusted servers.\n\n### References\nThis issue was reported to us by [wh1zee](https://hackerone.com/wh1zee) via HackerOne.",
  "id": "GHSA-mmwx-79f6-67jg",
  "modified": "2026-01-16T21:56:08Z",
  "published": "2026-01-16T16:58:26Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/security/advisories/GHSA-mmwx-79f6-67jg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23535"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/pull/1128"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/commit/216e691c6e50abae97fe2e4e4f21501bf49a585f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/WeblateOrg/wlc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/WeblateOrg/wlc/releases/tag/1.17.2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command "
}

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.

Detection rules are retrieved from Rulezet.

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

PYSEC-2026-2053

Impact

Patches

Workarounds

References

CVE-2026-23535 (GCVE-0-2026-23535)

GHSA-MMWX-79F6-67JG

Impact

Patches

Workarounds

References

Tags

Sightings

Nomenclature

Related by attack behaviour