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CVE-2026-17931 Google CVE debrief

CVE-2026-17931 is a Medium severity vulnerability in Google Chrome prior to version 151.0.7922.72, caused by an inappropriate implementation in DevTools. This allows a remote attacker to bypass navigation restrictions via a crafted HTML page. The vulnerability affects Google Chrome deployments, and defenders should assess exposure and apply the patch to prevent exploitation. The CVE record and NVD entry provide details on the vulnerability, its severity, and affected versions. Defenders must verify and apply patches to prevent exploitation and ensure navigation restrictions are enforced.

Vendor
Google
Product
Chrome
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-30
Original CVE updated
2026-10-23
Advisory published
2026-07-30
Advisory updated
2026-10-23

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and apply the patch to prevent exploitation. This includes verifying and applying patches, monitoring for crafted HTML pages attempting to bypass navigation restrictions, and enforcing navigation restrictions in DevTools. Defenders should prioritize verifying and applying the patch to ensure navigation restrictions are enforced.

Why it matters

CVE-2026-17931 is a Medium severity vulnerability in Google Chrome that allows a remote attacker to bypass navigation restrictions. Defenders should prioritize verifying and applying the patch to ensure navigation restrictions are enforced.

  • Defenders must verify and apply patches to prevent exploitation
  • Navigation restrictions may be bypassed, potentially allowing unauthorized actions

Technical summary

The vulnerability is caused by an inappropriate implementation in DevTools, allowing a remote attacker to bypass navigation restrictions via a crafted HTML page. This affects Google Chrome prior to version 151.0.7922.72, and defenders should assess exposure and apply the patch. The CVE record and NVD entry provide details on the vulnerability, its severity, and affected versions.

Defensive priority

Defenders should prioritize verifying and applying the patch to ensure navigation restrictions are enforced.

Recommended defensive actions

  • Verify and apply the patch to Google Chrome
  • Monitor for crafted HTML pages attempting to bypass navigation restrictions
  • Enforce navigation restrictions in DevTools

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its severity, and affected versions. The vulnerability is caused by an inappropriate implementation in DevTools, allowing a remote attacker to bypass navigation restrictions via a crafted HTML page. Defenders should prioritize verifying and applying the patch to ensure navigation restrictions are enforced. The source detail is limited, and defenders should expand with explicit evidence-limit language and defensive tasks

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17931 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17931

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-17931 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17931

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.