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CVE-2026-44883

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, 2.39.2, and 2.41.0, Portainer's authentication middleware accepts JWT bearer tokens passed as the ?token=<JWT> URL query parameter on any authenticated API endpoint, in addition to the standard Authorization: Bearer header. URLs are recorded in reverse-proxy access logs, browser history, and
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0c70ad3a31bbb9695302ea4ed948223436aab35a6d61d3a16773e9c354215d34
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, < 2.39.2"},{"status":"affected","version":">= 2.40.0, < 2.41.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b40dde82ee293c2467063cadddd8fe3e64e1f75123a09da233f2a5c8fdf618ad · sha256:e67a28048cb8d873… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b40dde82ee293c2467063cadddd8fe3e64e1f75123a09da233f2a5c8fdf618ad · sha256:e67a28048cb8d873… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-598","description":"CWE-598: Use of GET Request Method With Sensitive Query Strings","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b40dde82ee293c2467063cadddd8fe3e64e1f75123a09da233f2a5c8fdf618ad · sha256:e67a28048cb8d873… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/portainer/portainer/security/advisories/GHSA-jvp4-q659-95mj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b40dde82ee293c2467063cadddd8fe3e64e1f75123a09da233f2a5c8fdf618ad · sha256:e67a28048cb8d873… · /containers/adp/0/references/0
{"name":"https://github.com/portainer/portainer/security/advisories/GHSA-jvp4-q659-95mj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/portainer/portainer/security/advisories/GHSA-jvp4-q659-95mj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b40dde82ee293c2467063cadddd8fe3e64e1f75123a09da233f2a5c8fdf618ad · sha256:e67a28048cb8d873… · /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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