CVE-2022-36085 — Open Policy Agent (OPA) is an open source, general-purpose policy engine
Open Policy Agent (OPA) is an open source, general-purpose policy engine. The Rego compiler provides a (deprecated) `WithUnsafeBuiltins` function, which allows users to provide a set of built-in functions that should be deemed unsafe — and as such rejected — by the compiler if en
Published
2022-09-08T13:30:16.000Z
Last modified
2025-04-22T17:23:14.762Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
01What is this vulnerability?
Open Policy Agent (OPA) is an open source, general-purpose policy engine. The Rego compiler provides a (deprecated) `WithUnsafeBuiltins` function, which allows users to provide a set of built-in functions that should be deemed unsafe — and as such rejected — by the compiler if encountered in the policy compilation stage. A bypass of this protection has been found, where the use of the `with`…
02Affected products
| Vendor | Product | Versions |
|---|
| open-policy-agent | opa | >= 0.40.0, < 0.43.1 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-09-08T13:30:16.000Z
- Last modified: 2025-04-22T17:23:14.762Z
09References
- github.com — https://github.com/open-policy-agent/opa/security/advisories/GHSA-f524-rf33-2jjr
- github.com — https://github.com/open-policy-agent/opa/pull/4540
- github.com — https://github.com/open-policy-agent/opa/pull/4616
- github.com — https://github.com/open-policy-agent/opa/commit/25a597bc3f4985162e7f65f9c36599f4…
- github.com — https://github.com/open-policy-agent/opa/commit/3e8c754ed007b22393cf65e48751ad9f…
- github.com — https://github.com/open-policy-agent/opa/releases/tag/v0.43.1
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