CVE Explorer
CVE-2026-42461
Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to version 1.18.0, four GET endpoints under /api/templates* in Arcane's Huma backend are registered without any Security requirement, allowing any unauthenticated network client to list and read the full Compose YAML and .env content of every custom template stored in the instance. Because Arcane's UI exposes a "Save as Template" flow on the project / swarm-stack creation pages that persists the operator'
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"arcane","vendor":"getarcaneapp","versions":[{"status":"affected","version":"< 1.18.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:af0da56a8f3e687b7c28982e1a7856cf5e12fd0bc84642eca7d45f620eff5e1f · sha256:4d53877f797a2814… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:af0da56a8f3e687b7c28982e1a7856cf5e12fd0bc84642eca7d45f620eff5e1f · sha256:4d53877f797a2814… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:af0da56a8f3e687b7c28982e1a7856cf5e12fd0bc84642eca7d45f620eff5e1f · sha256:4d53877f797a2814… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/getarcaneapp/arcane/releases/tag/v1.18.0","tags":["x_refsource_MISC"],"url":"https://github.com/getarcaneapp/arcane/releases/tag/v1.18.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:af0da56a8f3e687b7c28982e1a7856cf5e12fd0bc84642eca7d45f620eff5e1f · sha256:4d53877f797a2814… · /containers/cna/references/1
{"name":"https://github.com/getarcaneapp/arcane/security/advisories/GHSA-cxx3-hr75-4q96","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getarcaneapp/arcane/security/advisories/GHSA-cxx3-hr75-4q96"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:af0da56a8f3e687b7c28982e1a7856cf5e12fd0bc84642eca7d45f620eff5e1f · sha256:4d53877f797a2814… · /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.