Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-45380

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, a one-byte off-by-one error in SafeOutPathBuilder::restoreSymlink() allows an attacker to craft a .7z archive that, when extracted with bit7z on any non-Windows platform, creates a symlink escaping the intended output directory. Subsequent archive entries extracted through this symlink write arbitrary files outside the extraction directory with the permissions of the ext
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ce22772281171ddd35fb09a9edfce33179fb3fcb99ed6ca0b3e31eea7fd51508
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-193","description":"CWE-193: Off-by-one Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /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:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"bit7z","vendor":"rikyoz","versions":[{"status":"affected","version":"< 4.0.12"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":3.6,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-193","description":"CWE-193: Off-by-one Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /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:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/rikyoz/bit7z/releases/tag/v4.0.12","tags":["x_refsource_MISC"],"url":"https://github.com/rikyoz/bit7z/releases/tag/v4.0.12"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/rikyoz/bit7z/security/advisories/GHSA-8wj8-9jwv-j24v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /containers/adp/0/references/0
{"name":"https://github.com/rikyoz/bit7z/security/advisories/GHSA-8wj8-9jwv-j24v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rikyoz/bit7z/security/advisories/GHSA-8wj8-9jwv-j24v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:30ac1085dd5157d0192518a04955adeec6f30daff589bfa0c764bf9b2b3af163 · sha256:0e4b836d6c79b5c6… · /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