---
title: "CVE-2026-86671: Eclipse Che - Server Side Request Forgery"
description: "Eclipse Che >= 7.29.0 contains a server-side request forgery caused by lack of scheme and host allow-list in URLFetcher.fetch(), letting authenticated users read local files, access internal services, and exfiltrate SCM tokens via crafted URLs or malicious devfiles."
url: https://panop.io/threat-heartbeat/CVE-2026-86671/
---

# CVE-2026-86671 Eclipse Che - Server Side Request Forgery

Eclipse Che >= 7.29.0 contains a server-side request forgery caused by lack of scheme and host allow-list in URLFetcher.fetch(), letting authenticated users read local files, access internal services, and exfiltrate SCM tokens via crafted URLs or malicious devfiles.

CVSS base score 8.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.25% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-86671)

## Details

Type

Server Side Request Forgery

Impact

Information Disclosure, Server Side Request Forgery

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

5 October 2026

Updated

15 October 2026

Weakness

[CWE-73](https://cwe.mitre.org/data/definitions/73.html)

## Vendor fix

Update to the latest version once a fix is available.

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-2026-86671](https://nvd.nist.gov/vuln/detail/CVE-2026-86671)
- [https://gitlab.eclipse.org/security/vulnerability-reports/-/work\_items/620](https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/620)
- [https://redhat.atlassian.net/browse/CRW-11956](https://redhat.atlassian.net/browse/CRW-11956)
- [https://gitlab.eclipse.org/security/cve-assignment/-/work\_items/278](https://gitlab.eclipse.org/security/cve-assignment/-/work_items/278)

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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

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