Portainer has Unauthenticated Restore Endpoint that Allows Admin Takeover on Uninitialized Instances in github.com/portainer/portainer
Portainer has Unauthenticated Restore Endpoint that Allows Admin Takeover on Uninitialized Instances in github.com/portainer/portainer. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/portainer/portainer from v2.39.0 before v2.39.4, from v2.40.0 before v2.43.0.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-55761US | medium5.9 | — | ||
Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. In… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/portainer/portainer/commit/49f19107cf9a3540cbe406c9eb7f24390e1af02bFIX
- https://github.com/portainer/portainer/commit/d2b56efcb4e43c4168bb6688eee9f6bf22867312FIX
- https://github.com/portainer/portainer/issues/2770REPORT
- https://github.com/portainer/portainer/releases/tag/2.39.4WEB
- https://github.com/portainer/portainer/releases/tag/2.43.0WEB
- https://github.com/portainer/portainer/security/advisories/GHSA-x626-fcwx-f5pcADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-55761ADVISORY
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