CVE-2026-44883
Portainer: JWT accepted in URL query leaks tokens to logs and referers in github.com/portainer/portainer
Description
Portainer: JWT accepted in URL query leaks tokens to logs and referers 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 v2.33.0 before v2.33.8, from v2.39.0 before v2.39.2, from v2.40.0 before v2.41.0.
How to fix CVE-2026-44883
To remediate CVE-2026-44883, upgrade the affected package to a fixed version below.
- —upgrade to 2.33.8 or later
- —no fix listed
Is CVE-2026-44883 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 2.33.0, < 2.33.8
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |