CVE-2026-33590

HIGH
MEDIUM Priority: 0.04 BB Relevance: 57/100
Published: 2026-05-28 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: Passive
S: X
AT: None
VC: High
VI: High
VA: High

Description

Insecure default settings of Portainer CE grant regular (non-admin) users privileges that allow host filesystem access and host-level code execution. An authenticated non-administrative user with endpoint access can exploit these settings to read host files or obtain root equivalent access on the host.

Weakness Classification (1)

Bug Bounty Relevance

57 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

8.5 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.45%
Raw Score 0.004520
Percentile 39.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00452
2026-10-28
0.00452

Intelligence Sources

nvd ref →