EUVD-2026-75431
GHSA-gwwm-f4gw-c69f
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/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
No auth against Renovate (PR:N) and no user interaction, but requires the contacted GitHub server to already be malicious/compromised (AC:H); leaked credentials impact another system (S:C) with confidentiality-only loss (C:H, I/A:N).
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
4DescriptionCVE.org
Renovate, a dependency update tool, follows pagination links supplied by the GitHub server in the HTTP Link header when interacting with GitHub.com, GitHub Enterprise Cloud, or GitHub Enterprise Server, and sends the credentials configured for that host to the URL given as the 'next' page. Because the pagination URL is not validated against the host originally contacted, a malicious or compromised GitHub server can return a Link header pointing to an attacker-controlled host and cause Renovate to disclose those credentials to it. Exploitation requires that the GitHub server Renovate talks to (as the repository host or as a datasource such as github-releases, github-tags, or git-refs) is already malicious or compromised. The issue is fixed in renovate 44.11.3 (npm and renovate/renovate container images), Mend Renovate CE/EE images and the mend-renovate-ce helm chart 15.4.0, and the mend-renovate-enterprise-edition helm chart 10.4.0. There is no workaround; the pre-existing RENOVATE_X_REBASE_PAGINATION_LINKS option disables the new host check and should only be used with servers that intentionally use different pagination hosts.
Articles & Coverage 1
AnalysisAI
Credential disclosure in Renovate before 44.11.3 allows a malicious or compromised GitHub server to exfiltrate host credentials by returning a crafted HTTP Link header. When Renovate paginates GitHub API responses (as a repository host or via the github-releases, github-tags, or git-refs datasources), it blindly follows the 'next' pagination URL without verifying it still points to the originally-contacted host, sending the configured credentials to whatever host the attacker specifies. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the GitHub server Renovate communicates with - whether as the repository/SCM host or as a datasource (github-releases, github-tags, or git-refs) - is already malicious or compromised and can set the HTTP Link response header. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N, 9.2) reflects network reach, no authentication against Renovate itself, and high confidentiality impact with a subsequent-system consequence (leaked credentials can compromise other hosts). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: upgrade to renovate 44.11.3 (npm or renovate/renovate container image). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all systems running Renovate and determine current versions; this vulnerability affects versions before 44.11.3. …
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