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 keyword to mock such a built-in function (a feature introduced in OPA v0.40.0), isn’t taken into account by WithUnsafeBuiltins. Multiple conditions need to be met in order to create an adverse effect. Version 0.43.1 contains a patch for this issue. As a workaround, avoid using the WithUnsafeBuiltins function and use the capabilities feature instead.
CVE-2022-36085
This high-severity CVE scores 7.4 under NVD CVSS v3. EPSS exploit probability: 1.3%, top 33% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.4
- EG Score
- 7.4(medium)
- EG Risk
- 49(Track*)EG Risk 49/100SSVC: Track*
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity74% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Watch closely — could escalate to Attend. - EPSS
- 66.8%
- KEV
- Not listed
Published
September 8, 2022
Last Modified
November 21, 2024
References (12)
- security-advisories@githubhttps://github.com/open-policy-agent/opa/commit/25a597bc3f4985162e7f65f9c36599f4f8f55823
- security-advisories@githubhttps://github.com/open-policy-agent/opa/commit/3e8c754ed007b22393cf65e48751ad9f6457fee8
- security-advisories@githubhttps://github.com/open-policy-agent/opa/pull/4540
- security-advisories@githubhttps://github.com/open-policy-agent/opa/pull/4616
- security-advisories@githubhttps://github.com/open-policy-agent/opa/releases/tag/v0.43.1
- security-advisories@githubhttps://github.com/open-policy-agent/opa/security/advisories/GHSA-f524-rf33-2jjr
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-policy-agent/opa/commit/25a597bc3f4985162e7f65f9c36599f4f8f55823
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-policy-agent/opa/commit/3e8c754ed007b22393cf65e48751ad9f6457fee8
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-policy-agent/opa/pull/4540
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-policy-agent/opa/pull/4616
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-policy-agent/opa/releases/tag/v0.43.1
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-policy-agent/opa/security/advisories/GHSA-f524-rf33-2jjr
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/open-policy-agent/opa | — | 0.44.0 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 49× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 107 total refreshes for this CVE.
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Frequently asked(5)
What is CVE-2022-36085?
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Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-36085
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