Critical severity · published Aug 28, 2026
CVE-2026-82277
Argo Rollouts Dashboard Unauthenticated Mutating Operations
9.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
argo-rollouts · argoproj
through 1.10.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82277
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82277
github.com
https://github.com/argoproj/argo-rollouts
github.com
https://github.com/argoproj/argo-rollouts/blob/4e6a2798688e22868340d9871a3c8d78371f1568/server/server.go
github.com
https://github.com/argoproj/argo-rollouts/issues/4747
www.vulncheck.com
https://www.vulncheck.com/advisories/argo-rollouts-dashboard-unauthenticated-mutating-operations