CVE-2025-23216
MEDIUMCVE-2025-23216 is a medium-severity (CVSS 6.8) Information Exposure vulnerability in github.com/argoproj/argo-cd/v2. O3 Security confirms whether CVE-2025-23216 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Argo CD does not scrub secret values from patch errors
Blast Radius
github.com/argoproj/argo-cd/v2🐹github.com/argoproj/argo-cd/v2🐹github.com/argoproj/argo-cd/v2🐹github.com/argoproj/argo-cdReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.
Description
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. A vulnerability was discovered in Argo CD that exposed secret values in error messages and the diff view when an invalid Kubernetes Secret resource was synced from a repository. The vulnerability assumes the user has write access to the repository and can exploit it, either intentionally or unintentionally, by committing an invalid Secret to repository and triggering a Sync. Once exploited, any user with read access to Argo CD can view the exposed secret data. The vulnerability is fixed in v2.13.4, v2.12.10, and v2.11.13.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐹Go | github.com/argoproj/argo-cd/v2 | ≥ 2.13.0&&< 2.13.4 | 2.13.4 |
| 🐹Go | github.com/argoproj/argo-cd/v2 | ≥ 2.12.0&&< 2.12.10 | 2.12.10 |
| 🐹Go | github.com/argoproj/argo-cd/v2 | all versions | 2.11.13 |
| 🐹Go | github.com/argoproj/argo-cd | all versions | No fix |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/argoproj/argo-cd/v2. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update github.com/argoproj/argo-cd/v2 to 2.13.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-23216 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2025-23216 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2025-23216. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2025-23216 in your dependencies?
O3 detects CVE-2025-23216 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.