CVE-2026-86516CWE-266CWE-269privilege-escalation

CVE-2026-86516

Medium · published September 8, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
32.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
EPSS
0.00396 · 32.6th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-269 · Improper Privilege Management
Published
2026-09-08T08:17Z
References (7)
https://github.com/elenavanengelenmaslova/mocknest-serverless/ · [email protected]https://github.com/elenavanengelenmaslova/mocknest-serverless/commit/6ab3147282d867c1993f995272750db091c2290b · [email protected]https://github.com/elenavanengelenmaslova/mocknest-serverless/pull/254 · [email protected]https://vuldb.com/cve/CVE-2026-86516 · [email protected]https://vuldb.com/submit/908568 · [email protected]https://vuldb.com/vuln/399670 · [email protected]https://vuldb.com/vuln/399670/cti · [email protected]
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 08 SEP 03:15Z
    elenavanengelenmaslova mocknest-serverless AWS GitHub OIDC Deployment Helper Script github-oidc-role.yaml privileges management
    cvelistv5