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CVE-2026-52726

Dulwich is a pure-Python implementation of the Git file formats and protocols. Starting in version 0.23.2 and prior to version 1.2.5, `dulwich.porcelain.submodule_update`, and by extension `porcelain.clone(..., recurse_submodules=True)`, materializes attacker-controlled submodule paths from a crafted upstream repository without path validation. A malicious `.gitmodules` plus a matching tree gitlink whose `path` is `.git/hooks` (or any other directory inside the parent repository's `.git` directo
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:097092492a586e20d0ef60f4bf447926b237a7f48fba4c7978c98553d5341ee7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"dulwich","vendor":"jelmer","versions":[{"status":"affected","version":">= 0.23.2, < 1.2.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2b29721a1100063978a5a5ab305c5f39203ef907671e41dd5f18b6427e72f0a7 · sha256:f7564bd20fc61c08… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2b29721a1100063978a5a5ab305c5f39203ef907671e41dd5f18b6427e72f0a7 · sha256:f7564bd20fc61c08… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2b29721a1100063978a5a5ab305c5f39203ef907671e41dd5f18b6427e72f0a7 · sha256:f7564bd20fc61c08… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.5","tags":["x_refsource_MISC"],"url":"https://github.com/jelmer/dulwich/releases/tag/dulwich-1.2.5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b29721a1100063978a5a5ab305c5f39203ef907671e41dd5f18b6427e72f0a7 · sha256:f7564bd20fc61c08… · /containers/cna/references/1
{"name":"https://github.com/jelmer/dulwich/security/advisories/GHSA-gfhv-vqv2-4544","tags":["x_refsource_CONFIRM"],"url":"https://github.com/jelmer/dulwich/security/advisories/GHSA-gfhv-vqv2-4544"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b29721a1100063978a5a5ab305c5f39203ef907671e41dd5f18b6427e72f0a7 · sha256:f7564bd20fc61c08… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/jelmer/dulwich/security/advisories/GHSA-gfhv-vqv2-4544"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2b29721a1100063978a5a5ab305c5f39203ef907671e41dd5f18b6427e72f0a7 · sha256:f7564bd20fc61c08… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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