CVE-2026-86516 Privilege escalation in mocknest-serverless
Improper privilege management in the AWS GitHub OIDC deployment helper script allows remote attackers to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86516?
CVE-2026-86516 is a medium-severity vulnerability in elenavanengelenmaslova mocknest-serverless, published on 8 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability was detected in elenavanengelenmaslova mocknest-serverless 0.9.0. The affected element is an unknown function of the file deployment/aws/shared/github-oidc-role.yaml of the component AWS GitHub OIDC Deployment Helper Script. Performing a manipulation results in improper privilege management. It is possible to initiate the attack remotely. The patch is named 6ab3147282d867c1993f995272750db091c2290b. Applying a patch is the recommended action to fix this issue.
Which versions are affected by CVE-2026-86516?
How do I fix CVE-2026-86516?
No fix has been published for CVE-2026-86516 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-86516 being exploited?
There is no known exploitation of CVE-2026-86516 in the wild and no public exploit code.
Sources
Also known as GHSA-4h3p-r584-fm85.