Privilege escalation in Elenavanengelenmaslova Mocknest-Serverless
CVE-2026-86516
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Elenavanengelenmaslova Mocknest-Serverless — versions 0.9.0
Weakness classification (CWE)
References
- vuldb.com/vuln/399670 (vdb-entry)
- vuldb.com/vuln/399670/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-86516 (third-party-advisory)
- vuldb.com/submit/908568 (third-party-advisory)
- github.com/elenavanengelenmaslova/mocknest-serverless/commit/6ab3147282d867c199… (patch)
- github.com/elenavanengelenmaslova/mocknest-serverless/pull/254 (issue-tracking, patch)
- github.com/elenavanengelenmaslova/mocknest-serverless/ (product)
Frequently asked questions
- What is CVE-2026-86516?
- CVE-2026-86516 is a medium-severity vulnerability in Elenavanengelenmaslova Mocknest-Serverless, classified under Incorrect Privilege Assignment. CVSS score: 4.7/10. Published 2026-09-08.
- How severe is CVE-2026-86516?
- Medium severity. CVSS v3 base score is 4.7 out of 10.