Portainer vulnerabilities: known CVEs & security history
Portainer · Virtualization · 10 tracked CVEs · 0 actively exploited · updated August 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all Portainer release lines — 10 in total. A CVE here doesn't mean your version is affected — check Portainer's current status and the safe version to run.
Known Portainer CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2026-44881 | critical | 9.9 | 0% | 2026 |
| CVE-2026-44849 | high | 8.8 | 0% | 2026 |
| CVE-2026-44848 | high | 8.8 | 0% | 2026 |
| CVE-2026-44850 | high | 8.5 | 0% | 2026 |
| CVE-2026-44882 | high | 8.1 | 0% | 2026 |
| CVE-2026-44883 | high | 7.5 | 0% | 2026 |
| CVE-2026-44884 | medium | 6.5 | 0% | 2026 |
| CVE-2026-55761 | medium | 5.9 | 0% | 2026 |
| CVE-2026-44885 | medium | 5.5 | 1% | 2026 |
| CVE-2024-29296 | medium | 5.3 | 1% | 2024 |
Is my Portainer version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your Portainer version → · Monitor Portainer for new CVEs →
Portainer vulnerabilities — frequently asked
How many known vulnerabilities does Portainer have?
IsItPatched tracks 10 CVEs for Portainer. 1 is critical-severity and 5 high-severity. These span every release line — what matters is whether the version you run is affected.
Does Portainer have any actively-exploited vulnerabilities?
None of Portainer's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe Portainer vulnerability?
Among tracked issues, CVE-2026-44881 (CRITICAL, CVSS 9.9) ranks highest — a CWE-59 weakness.
Is Portainer safe to use?
It depends on the version. The latest supported Portainer release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: Portainer security status · Portainer end-of-life · actively-exploited CVEs. Always verify against Portainer's advisories — see our disclaimer.