CVE-2026-88887Renovate before 44.11.2 Credential Exfiltration via Link Header
Updated under an hour ago ()
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It affects renovatebot renovate and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Renovate is a dependency update automation tool. When listing tags/digests for a container image, Renovate follows pagination links supplied by the remote registry in the HTTP Link header and attaches the registry credentials to the follow-up request without verifying that the pagination URL has the same origin as the original registry. A malicious or compromised container registry can therefore specify a Link header pointing to an attacker-controlled host and receive the credentials Renovate uses for that registry. Exploitation requires that the target has container (Docker) dependencies and is already interacting with the malicious or compromised registry. This is fixed in Renovate 44.11.2 (npm and renovate/renovate images), Mend Renovate CE/EE 15.4.0 and the mend-renovate-enterprise-edition Helm chart 10.4.0; the same-origin check can be disabled with RENOVATE_X_DOCKER_PAGINATION_ALLOW_CROSS_ORIGIN.
- CVSS
- 8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- Weakness (CWE)
- CWE-601
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
renovatebot renovate renovatebot:renovate (from the name) | before 44.11.2; 44.11.2 not affected | CNA record |
mend renovate-ce mend:renovate_ce (from the name) | before 15.4.0; 15.4.0 not affected | CNA record |
mend renovate-ee-server mend:renovate_ee_server (from the name) | before 15.4.0; 15.4.0 not affected | CNA record |
mend renovate-ee-worker mend:renovate_ee_worker (from the name) | before 15.4.0; 15.4.0 not affected | CNA record |
mend mend-renovate-enterprise-edition mend:renovate_enterprise_edition (from the name) | before 10.4.0; 10.4.0 not affected | CNA record |
References
- https://github.com/renovatebot/renovate/security/advisories/GHSA-v73q-hvqx-hxwxvendor-advisory
- https://www.vulncheck.com/advisories/renovate-before-44.11.2-credential-exfiltration-via-link-header-2third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.