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CVE-2026-5901

MEDIUMCVSS 6.5/10EPSS 0.14%

Last modified

CVE-2026-5901 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Insufficient policy enforcement in DevTools in Google Chrome prior to 147.0.7727.55 allowed an attacker who convinced a user to install a malicious extension to bypass enterprise host restrictions for cookie modification via a crafted Chrome Extension. (Chromium security severity: Low). EPSS estimates a 0.14% chance of exploitation in the next 30 days.

Description

Insufficient policy enforcement in DevTools in Google Chrome prior to 147.0.7727.55 allowed an attacker who convinced a user to install a malicious extension to bypass enterprise host restrictions for cookie modification via a crafted Chrome Extension. (Chromium security severity: Low)

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.14%

3.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 147.0.7727.55

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-5901?
Insufficient policy enforcement in DevTools in Google Chrome prior to 147.0.7727.55 allowed an attacker who convinced a user to install a malicious extension to bypass enterprise host restrictions for cookie modification via a crafted Chrome Extension. (Chromium security severity: Low)
How severe is CVE-2026-5901?
CVE-2026-5901 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2026-5901?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5901?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST