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Not in CISA KEV
HIGH severity

CVE-2019-25766

HIGH

CVE-2019-25766 is a high-severity (CVSS 7.5) CWE-532 vulnerability. O3 Security confirms whether CVE-2019-25766 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

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…

Published
Aug 19, 2026
Updated
Aug 19, 2026
Affected
0 pkgs
Patched
None yet
Exploits
None indexed
Exploitation data as of Aug 19, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

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.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for the affected component. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Remediation status

    No patched version of the affected component has shipped for CVE-2019-25766 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether CVE-2019-25766 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to CVE-2019-25766. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

Is CVE-2019-25766 in your dependencies?

O3 detects CVE-2019-25766 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.