What is CVE-2019-25766?

CVE-2019-25766 is a high-severity vulnerability in Renovatebot Renovate, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2026-08-19.

How severe is CVE-2019-25766?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Renovatebot Renovate

CVE-2019-25766

Renovate versions >= 13.87.0 and <= 19.38.6 leak temporary repository tokens into pull request comments during certain Go Modules update failure scenarios. The issue is fixed in version 19.38.7. Anyone able to view the affected pull request comments could obtain the exposed tokens.

Published 2026-08-19 · last modified 2026-09-08.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.3th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Renovatebot Renovate

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

github.com/renovatebot/renovate/security/advisories/GHSA-v7x3-7hw7-pcjg (vendor-advisory)
www.vulncheck.com/advisories/renovate-before-credential-exposure-via-go-modules (third-party-advisory)

Frequently asked questions

What is CVE-2019-25766?: CVE-2019-25766 is a high-severity vulnerability in Renovatebot Renovate, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2026-08-19.
How severe is CVE-2019-25766?: High severity. CVSS v3 base score is 7.5 out of 10.