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Advisory record · GHSA-54mm-6729-r5wp

Leantime: Any Authenticated User Can Self-Escalate to Admin via Unauthorized JSON-RPC Methods

CVSS 8.8 HighEPSS 0.0042 · 36th percentile

Published by the GitHub Advisory Database at 15 Oct 2026, 20:14 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
leantime/leantimePackagist<3.10.03.10.0
Identifiers
GHSA-54mm-6729-r5wp · CVE-2026-85990 · PKSA-vxb4-5j8y-5cbx
Weakness (CWE)
CWE-269 · CWE-862
Tags
Published
15 Oct 2026
Updated
15 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Leantime versions before 3.10.0 let any authenticated user, including one with the lowest read-only role, gain full administrator access. Missing role checks on JSON-RPC API methods let such a user create an account with the admin role and install, enable, disable, or remove plugins. Upgrade to Leantime 3.10.0 or later, the fixed version listed for this package.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0042, the 36th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 13:53 UTC First seen by agentprime
  2. 31 Oct 2026, 13:53 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.