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CVE-2026-44884

Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8 and 2.39.1, a missing authorization vulnerability in the Custom Template file endpoint (GET /api/custom_templates/{id}/file) allows any authenticated user to read the file content of any custom template by enumerating sequential integer IDs, bypassing Resource Control access restrictions. Temp
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5917136457087851be7c1cbbf8a28392e2e977c058e9386701b33aa9e59ff47b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"portainer","vendor":"portainer","versions":[{"status":"affected","version":">= 2.33.0, < 2.33.8"},{"status":"affected","version":">= 2.39.0, < 2.39.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:482d959065f6efee6e14db482d3130225c31c9b99533162130420f195cf4a0ff · sha256:c5cb9931d5c37b42… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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_v5cvss
    urn:baitaphish:normalized-source-record:v2:482d959065f6efee6e14db482d3130225c31c9b99533162130420f195cf4a0ff · sha256:c5cb9931d5c37b42… · /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_v5cwe
    urn:baitaphish:normalized-source-record:v2:482d959065f6efee6e14db482d3130225c31c9b99533162130420f195cf4a0ff · sha256:c5cb9931d5c37b42… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/portainer/portainer/security/advisories/GHSA-cqpq-2fgr-8mvc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/portainer/portainer/security/advisories/GHSA-cqpq-2fgr-8mvc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:482d959065f6efee6e14db482d3130225c31c9b99533162130420f195cf4a0ff · sha256:c5cb9931d5c37b42… · /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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