Dashboard / CVE-2026-122316

CVE-2026-122316

HIGH
MEDIUM Priority: 0.01 BB Relevance: 67/100
Published: 2026-11-05 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

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

Description

Kyverno from 1.17.0 before 1.19.2 contains a missing authorization vulnerability in the mutate-existing background processor that allows namespaced tenants to modify resources outside their namespace. Attackers can create a NamespacedMutatingPolicy targeting Namespace objects or victim-namespace resources via CEL expressions, making the background-controller ServiceAccount strip Pod Security labels cluster-wide.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
kyverno kyverno 1.17.0 < 1.19.2

References & Advisories (2)

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.4 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/E:X/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

0.17%
Raw Score 0.001680
Percentile 6.2%
Date 2026-11-05

Intelligence Sources

mitre ref →
nvd ref →

External Links