Vulnerability · Published May 2, 2026 · Assigned by mitre

CVE-2026-43824

High 7.7

In plain English

A high-severity security flaw in Argo CD from argoproj. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)0.3%top 80.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/argoproj/argo-cdno fix listedGO-2026-5099
Gogithub.com/argoproj/argo-cd/v2no fix listedGO-2026-5099
Gogithub.com/argoproj/argo-cd/v33.2.11GHSA-3v3m-wc6v-x4x3
Gogithub.com/argoproj/argo-cd/v33.3.9GHSA-3v3m-wc6v-x4x3
Gogithub.com/argoproj/argo-cd/v33.2.11, 3.3.9GO-2026-5099

Affected products (as reported)

VendorProductVersions
argoproj Argo CD 3.2.0 – before 3.2.113.3.0 – before 3.3.9

Weakness: CWE-212, CWE-312 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References