Is github.com/open-policy-agent/opa-envoy-plugin affected by CVE-2026-26205?

Go github.com/open-policy-agent/opa-envoy-plugin is affected in <1.13.2-envoy-2.

Is CVE-2026-26205 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

medium

CVE-2026-26205

Q: Is CVE-2026-26205 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

Go · github.com/open-policy-agent/opa-envoy-plugin

Summary

opa-envoy-plugin has an Authorization Bypass via Double-Slash Path Misinterpretation in input.parsed_path in github.com/open-policy-agent/opa-envoy-plugin

Severity: medium
EPSS: 0.4% (p30)
Also known as: GHSA-9f29-v6mm-pw6w, GO-2026-4506
Published: 2026-02-23

References

https://github.com/open-policy-agent/opa-envoy-plugin/security/advisories/GHSA-9f29-v6mm-pw6w
https://nvd.nist.gov/vuln/detail/CVE-2026-26205
https://github.com/open-policy-agent/opa-envoy-plugin/commit/58c44d4ec408d5852d1d0287599e7d5c5e2bc5c3

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.