VulnSocial

CVE-2026-77524

LOWCVSS 9.9 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

KEDA is a Kubernetes-based Event Driven Autoscaling component. In version 2.20.2 and earlier, a namespace administrator who can create TriggerAuthentication and ScaledObject resources can set hashiCorpVault.address to a tenant-controlled endpoint and select Kubernetes authentication without an explicit credential. KEDA then uses the operator pod's projected ServiceAccount token and sends it to that endpoint as a Vault login credential. The JWT-shape filter from the prior CVE-2025-68476 remediation accepts the operator token because its subject is a Kubernetes ServiceAccount, so the attacker can obtain the operator's cluster-wide permissions, including broad Secret reads and workload or admission-related operations. This vulnerability is fixed in 2.21.0.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-269CWE-918

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-14: 110-14
Referenced assets1 URL
By indicator
Full discourse1 post
  • Upwind Security MDR@UpwindMDR

    🚨Critical - KEDA Operator SA Token Exfil via Vault Address Injection (CVE-2026-77524) In KEDA <=2.20.2, a namespace admin can craft TriggerAuthentication+ScaledObject to set hashiCorpVault.address to an attacker endpoint and use Kubernetes auth without creds. KEDA forwards the operator pod’s projected ServiceAccount token for Vault login, letting the attacker steal it and escalate to the operator’s cluster-wide RBAC. Non-Vault auth types aren’t affected. 👉Affected: KEDA (keda / http://github.com/kedacore/keda) <= 2.20.2 | Upgrade to 2.21.0

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