---
title: "CVE-2026-88880: Renovate - Open Redirect"
description: "Renovate before 44.11.3 contains an open redirect caused by improper validation of Link header destinations when following GitLab server pagination, letting attackers controlling a compromised GitLab server exfiltrate authentication credentials, exploit requires attacker control of GitLab server."
url: https://panop.io/threat-heartbeat/CVE-2026-88880/
---

# CVE-2026-88880 Renovate - Open Redirect

Renovate before 44.11.3 contains an open redirect caused by improper validation of Link header destinations when following GitLab server pagination, letting attackers controlling a compromised GitLab server exfiltrate authentication credentials, exploit requires attacker control of GitLab server.

CVSS base score 8.6 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.50% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-88880)

## Details

Type

Open Redirect

Impact

Information Disclosure

CVSS vector

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

Published

10 September 2026

Updated

15 October 2026

Weakness

[CWE-601](https://cwe.mitre.org/data/definitions/601.html)

## Vendor fix

Update to version 44.11.3 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-2026-88880](https://nvd.nist.gov/vuln/detail/CVE-2026-88880)
- [https://github.com/renovatebot/renovate/security/advisories/GHSA-9hmg-9h89-jhmx](https://github.com/renovatebot/renovate/security/advisories/GHSA-9hmg-9h89-jhmx)
- [https://www.vulncheck.com/advisories/renovate-before-44.11.3-credential-exfiltration-via-link-header](https://www.vulncheck.com/advisories/renovate-before-44.11.3-credential-exfiltration-via-link-header)

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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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