CVE Explorer

CVE-2026-31886

Dagu is a workflow engine with a built-in Web user interface. Prior to 2.2.4, the dagRunId request field accepted by the inline DAG execution endpoints is passed directly into filepath.Join to construct a temporary directory path without any format validation. Go's filepath.Join resolves .. segments lexically, so a caller can supply a value such as ".." to redirect the computed directory outside the intended /tmp/<name>/<id> path. A deferred cleanup function that calls os.RemoveAll on that direc

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:282ec1edc8c23b31c0c41b982b967a4b513e8c263ea8ed566acb2e33685a1c97

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"dagu","vendor":"dagu-org","versions":[{"status":"affected","version":"< 2.2.4"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:dbbcbc4c1161952a8633c1c85ff997584c50ceb9a17bdba19e87eab6532c33bd · sha256:9e796f236015c84b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:dbbcbc4c1161952a8633c1c85ff997584c50ceb9a17bdba19e87eab6532c33bd · sha256:9e796f236015c84b… · /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:dbbcbc4c1161952a8633c1c85ff997584c50ceb9a17bdba19e87eab6532c33bd · sha256:9e796f236015c84b… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/dagu-org/dagu/commit/12c2e5395bd9331d49ca103593edfd0db39c4f38","tags":["x_refsource_MISC"],"url":"https://github.com/dagu-org/dagu/commit/12c2e5395bd9331d49ca103593edfd0db39c4f38"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:dbbcbc4c1161952a8633c1c85ff997584c50ceb9a17bdba19e87eab6532c33bd · sha256:9e796f236015c84b… · /containers/cna/references/1

{"name":"https://github.com/dagu-org/dagu/security/advisories/GHSA-m4q3-457p-hh2x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/dagu-org/dagu/security/advisories/GHSA-m4q3-457p-hh2x"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:dbbcbc4c1161952a8633c1c85ff997584c50ceb9a17bdba19e87eab6532c33bd · sha256:9e796f236015c84b… · /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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