v1.21.4

2026-10-24T08:52:13Z•18e5016433c0cd73fb12c9c958581833458f6e6303f8a43fdca741116adfc790
GHSA-g2pf-6v5v-qcc8Go dependency updatesOPAOpen Policy AgentRego compilerauthentication bypassauthorizationbundle signature verification bypasspolicy injectionsupply chain security

What happened

Open Policy Agent (OPA) v1.21.3 fixes a vulnerability that allowed attackers who could alter bundle bytes to bypass configured bundle signature verification and supply arbitrary policy and data. The issue affected configurations or integrations relying on a signing block without an explicit key ID; OPA v1.21.4 updates the Go toolchain, while other listed releases contain additional dependency, parser, compiler, and authorization-related fixes. No CVE identifier is provided; the vulnerability is tracked as GHSA-g2pf-6v5v-qcc8.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
open_policy_agent_opa_releases
Record identifier
18e5016433c0cd73fb12c9c958581833458f6e6303f8a43fdca741116adfc790
Enrichment time
2026-10-24T08:52:13Z
AI-assisted enrichment
Yes

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