CVE Explorer
CVE-2026-44882
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., Portainer proxies requests to Kubernetes clusters through a middleware layer (kubeClientMiddleware) that validates the requesting user's token before forwarding traffic to the cluster. When security.RetrieveTokenData returned an error, the middleware wrote an HTTP 403 response but was missing
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"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:13403c5692026939aff2a84aa30797fd06459295c2654b990b78431f824c682b · sha256:30fa9b642fb13d93… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:13403c5692026939aff2a84aa30797fd06459295c2654b990b78431f824c682b · sha256:30fa9b642fb13d93… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:13403c5692026939aff2a84aa30797fd06459295c2654b990b78431f824c682b · sha256:30fa9b642fb13d93… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/portainer/portainer/security/advisories/GHSA-mgq6-4x29-88r3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/portainer/portainer/security/advisories/GHSA-mgq6-4x29-88r3"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:13403c5692026939aff2a84aa30797fd06459295c2654b990b78431f824c682b · sha256:30fa9b642fb13d93… · /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.