Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-27117

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.11, a path traversal vulnerability ("Zip Slip") exists in bit7z's archive extraction functionality. The library does not adequately validate file paths contained in archive entries, allowing files to be written outside the intended extraction directory through three distinct mechanisms: relative path traversal, absolute path traversal, and symbolic link traversal. An attacke
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c32d24ae3cd61b12de1cc5c7380e4b4c4a3522bddfe4a89bf348b4991ab81048
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-36","description":"CWE-36: Absolute Path Traversal","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-23","description":"CWE-23: Relative Path Traversal","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/problemTypes/1/descriptions/0

{"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:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"bit7z","vendor":"rikyoz","versions":[{"status":"affected","version":"< 4.0.11"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-36","description":"CWE-36: Absolute Path Traversal","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-23","description":"CWE-23: Relative Path Traversal","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/problemTypes/1/descriptions/0
{"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:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/rikyoz/bit7z/commit/31763da9a3e41a199c141c8d71f6c11de24b45cf","tags":["x_refsource_MISC"],"url":"https://github.com/rikyoz/bit7z/commit/31763da9a3e41a199c141c8d71f6c11de24b45cf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/references/1
{"name":"https://github.com/rikyoz/bit7z/commit/9e020483eefa5825ec9310b1d869933d4f77f969","tags":["x_refsource_MISC"],"url":"https://github.com/rikyoz/bit7z/commit/9e020483eefa5825ec9310b1d869933d4f77f969"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/references/2
{"name":"https://github.com/rikyoz/bit7z/releases/tag/v4.0.11","tags":["x_refsource_MISC"],"url":"https://github.com/rikyoz/bit7z/releases/tag/v4.0.11"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/references/3
{"name":"https://github.com/rikyoz/bit7z/security/advisories/GHSA-qvjh-hhw4-3gx9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rikyoz/bit7z/security/advisories/GHSA-qvjh-hhw4-3gx9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:41dae65ed2dd724db1971b41b67fb22898f04686fe7b33a3db4ac5429f27f784 · sha256:833fd04ebd464649… · /containers/cna/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.

← Back to CVE Explorer