CVE-2024-8260 OPA SMB Force-Authentication
Attackers can force authentication to arbitrary SMB shares via improper input validation in OPA CLI or Go library functions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-8260?
CVE-2024-8260 is a medium-severity authentication bypass vulnerability in Styra OPA, published on 30 Aug 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A SMB force-authentication vulnerability exists in all versions of OPA for Windows prior to v0.68.0. The vulnerability exists because of improper input validation, allowing a user to pass an arbitrary SMB share instead of a Rego file as an argument to OPA CLI or to one of the OPA Go library’s functions.
Weakness: CWE-294
Which versions are affected by CVE-2024-8260?
3 open source packages ship an affected version, including github.com/open-policy-agent/opa. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/open-policy-agent/opa Go | All versions | 0.68.0 |
github.com/open-policy-agent/opa Go | All versions | 0.68.0 |
github.com/open-policy-agent/opa Go | All versions | 0.68.0 |
Products include Openpolicyagent Open Policy Agent.
How do I fix CVE-2024-8260?
Upgrade github.com/open-policy-agent/opa to 0.68.0 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-8260 being exploited?
There is no known exploitation of CVE-2024-8260 in the wild and no public exploit code.
Other vulnerabilities in Styra OPA
- CVE-2022-33082 Denial of service in Open Policy Agent
- CVE-2022-28946 Out of bounds memory access in github.com/open-policy-agent/opa
- CVE-2022-36085 OPA Compiler: Bypass of WithUnsafeBuiltins using `with` keyword to mock functions
- CVE-2022-23628 Array literal misordering in github.com/open-policy-agent/opa
Sources
Also known as CLEANSTART-2026-GJ96630, GHSA-c77r-fh37-x2px, GO-2024-3141, MINI-8rcp-2726-m5mq, MINI-c7hp-jr2w-q49w, MINI-pxcv-5x66-p446 and 1 more.