---
title: "CVE-2026-62847: Metalama - Privilege Escalation"
description: "Metalama.Framework and Metalama.Tool < 2025.1.18, 2026.0.25, 2026.1.19 contain a privilege escalation caused by loading and executing compile-time assemblies from predictable, world-writable temp directories on Linux/macOS, letting local unprivileged users escalate privileges by planting malicious DLLs, exploit requires shared machine or CI environment with multiple users."
url: https://panop.io/threat-heartbeat/CVE-2026-62847/
---

# CVE-2026-62847 Metalama - Privilege Escalation

Metalama.Framework and Metalama.Tool < 2025.1.18, 2026.0.25, 2026.1.19 contain a privilege escalation caused by loading and executing compile-time assemblies from predictable, world-writable temp directories on Linux/macOS, letting local unprivileged users escalate privileges by planting malicious DLLs, exploit requires shared machine or CI environment with multiple users.

CVSS base score 8.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.15% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-62847)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation, Information Disclosure, Data Tampering, Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Published

30 October 2026

Updated

1 November 2026

Weakness

[CWE-377](https://cwe.mitre.org/data/definitions/377.html)

## Vendor fix

Update to versions 2025.1.18, 2026.0.25, 2026.1.19 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-62847](https://nvd.nist.gov/vuln/detail/CVE-2026-62847)
- [https://github.com/metalama/Metalama/commit/09911349a916e82194b1cfaa6d0a38acad928fc9](https://github.com/metalama/Metalama/commit/09911349a916e82194b1cfaa6d0a38acad928fc9)
- [https://github.com/metalama/Metalama/commit/92c4feecfce86d18fcb007ab6d3a1b4383326a2e](https://github.com/metalama/Metalama/commit/92c4feecfce86d18fcb007ab6d3a1b4383326a2e)
- [https://github.com/metalama/Metalama/pull/1650](https://github.com/metalama/Metalama/pull/1650)
- [https://github.com/metalama/Metalama/releases/tag/release/2025.1.18](https://github.com/metalama/Metalama/releases/tag/release/2025.1.18)
- [https://github.com/metalama/Metalama/releases/tag/release/2026.0.25](https://github.com/metalama/Metalama/releases/tag/release/2026.0.25)
- [https://github.com/metalama/Metalama/releases/tag/release/2026.1.19](https://github.com/metalama/Metalama/releases/tag/release/2026.1.19)
- [https://github.com/metalama/Metalama/security/advisories/GHSA-m6wq-39m7-9xpp](https://github.com/metalama/Metalama/security/advisories/GHSA-m6wq-39m7-9xpp)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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