Renovate before 44.14.4 TLS Private Key Log Sanitisation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-88883
StatePUBLISHED
AssignerVulnCheck
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-10 14:17:16 UTC
Updated2026-09-10 15:17:58 UTC
DescriptionRenovate is an automated dependency update tool. In versions before 44.14.4 (and Mend Renovate CE/EE images before 15.4.0 and the mend-renovate-enterprise-edition Helm chart before 10.4.0), log sanitisation for TLS private keys used for Mutual TLS was incomplete. While the value of hostRules[].httpsPrivateKey was redacted in the field itself, the same private key value was not redacted if it also appeared elsewhere — for example in another configuration option or in a log message under a key other than httpsPrivateKey — causing the full private key to be written to Renovate's logs in cleartext. This affects deployments that configure Mutual TLS through hostRules[].httpsPrivateKey without passing the value through the documented `secrets` configuration. Anyone able to read the resulting logs can recover the private key. The issue is fixed in Renovate 44.14.4, which redacts any value supplied as hostRules[].httpsPrivateKey wherever it appears in the logs; as a workaround, supply the key via the `secrets` configuration.

Risk And Classification

Primary CVSS: v4.0 8.3 HIGH from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

Problem Types: CWE-532 | CWE-532 Insertion of Sensitive Information into Log File

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.3HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/C...
4.0CNACVSS8.3HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
3.1[email protected]Secondary7.7HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
3.1CNACVSS7.7HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Sub Conf.
High
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Renovatebot Renovate affected 44.14.44 semver Not specified
CNA Renovatebot Renovate unaffected 44.14.44 semver Not specified
CNA Renovatebot Renovate affected 44.14.44 semver Not specified
CNA Renovatebot Renovate unaffected 44.14.44 semver Not specified
CNA Renovatebot Renovate affected 44.14.44 semver Not specified
CNA Renovatebot Renovate unaffected 44.14.44 semver Not specified
CNA Renovatebot Renovate affected 44.14.44 semver Not specified
CNA Renovatebot Renovate unaffected 44.14.44 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 15.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 15.4.0 semver Not specified
CNA Renovatebot Renovate affected 10.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 10.4.0 semver Not specified
CNA Renovatebot Renovate affected 10.4.0 semver Not specified
CNA Renovatebot Renovate unaffected 10.4.0 semver Not specified

References

ReferenceSourceLinkTags
github.com/renovatebot/renovate/security/advisories/GHSA-4hmw-qw74-vrhm [email protected] github.com
www.vulncheck.com/advisories/renovate-before-44.14.4-tls-private-key-log-saniti... [email protected] www.vulncheck.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: jamietanna (en)

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