CVE-2026-106322 Google CVE debrief

Who should care

Google Chrome users, particularly those in environments where social engineering attacks are a concern, should assess exposure to this open redirect vulnerability. Chrome users may be exposed to open redirect attacks, and defenders should verify Chrome version and apply updates if necessary. Additionally, operators, platform administrators, and security teams may need to review and update their security controls to mitigate potential risks.

Why it matters

CVE-2026-106322 is an open redirect vulnerability in Google Chrome that allows remote attackers to bypass web origin policy via social engineering. Chrome users should verify exposure and apply updates if necessary.

• Remote attackers may leverage social engineering to bypass web origin policy
• Chrome users may be exposed to open redirect attacks
• Defenders should verify Chrome version and apply updates if necessary

Technical summary

An open redirect vulnerability in AppManifest in Google Chrome prior to version 155.0.8059.39 allows a remote attacker to bypass web origin policy via a crafted HTML page. This vulnerability has a medium severity level and is tracked as CVE-2026-106322. Chrome users should verify exposure and apply updates if necessary to mitigate potential risks. The vulnerability is caused by an open redirect issue in the AppManifest component, which can be leveraged by remote attackers to bypass web origin policy via social engineering tactics.

Defensive priority

Medium priority for Chrome users to verify exposure and apply updates

Recommended defensive actions

• Verify Chrome version and apply updates if necessary
• Review web origin policy and social engineering defenses
• Monitor for potential open redirect attacks
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on an open redirect vulnerability in Google Chrome prior to version 155.0.8059.39. The vulnerability is caused by an open redirect issue in the AppManifest component. Defenders should verify Chrome version and apply updates if necessary. The CVE Program and NVD records provide source-grounded information on this vulnerability, but additional verification may be necessary to confirm affected scope and severity.

Sources and 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.