CVE Explorer

CVE-2026-43888

Outline is a service that allows for collaborative documentation. Prior to 1.7.0, ZipHelper.extract computes the extraction path for each entry by passing a full filesystem path through trimFileAndExt, a filename helper that calls path.basename on its input when truncating. When a zip entry's nested path is long enough to push the joined filesystem path over MAX_PATH_LENGTH (4096 bytes), trimFileAndExt silently drops all directory components and returns a bare filename. fs.createWriteStream then

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0d4f7d390e064a4dfa9a79be722f5ca5eb5c8756b437e71e1cd42e4a7f31083e

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"outline","vendor":"outline","versions":[{"status":"affected","version":"< 1.7.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:2630de77fa9687a4973fc29d30ed98b8b11291e61ddf0e45ff641f60ea046d1a · sha256:1736b285fe753221… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:2630de77fa9687a4973fc29d30ed98b8b11291e61ddf0e45ff641f60ea046d1a · sha256:1736b285fe753221… · /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:v2:2630de77fa9687a4973fc29d30ed98b8b11291e61ddf0e45ff641f60ea046d1a · sha256:1736b285fe753221… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["exploit"],"url":"https://github.com/outline/outline/security/advisories/GHSA-hw32-2v7j-mgqc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2630de77fa9687a4973fc29d30ed98b8b11291e61ddf0e45ff641f60ea046d1a · sha256:1736b285fe753221… · /containers/adp/0/references/0

{"name":"https://github.com/outline/outline/security/advisories/GHSA-hw32-2v7j-mgqc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/outline/outline/security/advisories/GHSA-hw32-2v7j-mgqc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:2630de77fa9687a4973fc29d30ed98b8b11291e61ddf0e45ff641f60ea046d1a · sha256:1736b285fe753221… · /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.

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