CVE Explorer

CVE-2026-66063

goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/updown.go multipart upload handler split part.FileName() on / but did not reject .., allowing an unauthenticated upload with filename .. to create a file outside the served tree. This issue is fixed in version 2.1.5.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:76d97d05c9d22515dde41fd589d60fe055993e9c65be4c4cc2031813508ab05e

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"goshs","vendor":"goshs-labs","versions":[{"status":"affected","version":"< 2.1.5"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:21ecd89c45e9ec474f3ae478cce94362584e7c0f87af26eb6f0b790562285164 · sha256:a0cf8219e45339f8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:21ecd89c45e9ec474f3ae478cce94362584e7c0f87af26eb6f0b790562285164 · sha256:a0cf8219e45339f8… · /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:v2:21ecd89c45e9ec474f3ae478cce94362584e7c0f87af26eb6f0b790562285164 · sha256:a0cf8219e45339f8… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/goshs-labs/goshs/commit/f3ef599e409151d1380866e47de8b1afb0bb54fa","tags":["x_refsource_MISC"],"url":"https://github.com/goshs-labs/goshs/commit/f3ef599e409151d1380866e47de8b1afb0bb54fa"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:21ecd89c45e9ec474f3ae478cce94362584e7c0f87af26eb6f0b790562285164 · sha256:a0cf8219e45339f8… · /containers/cna/references/1

{"name":"https://github.com/goshs-labs/goshs/security/advisories/GHSA-wg2q-39h6-66x9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/goshs-labs/goshs/security/advisories/GHSA-wg2q-39h6-66x9"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:21ecd89c45e9ec474f3ae478cce94362584e7c0f87af26eb6f0b790562285164 · sha256:a0cf8219e45339f8… · /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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