Strix
26.1K

CVE-2026-13889

MEDIUMCVSS 6.5/10EPSS 0.25%

Last modified

CVE-2026-13889 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium). EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.25%

16.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 150.0.7871.47

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-13889?
Side-channel information leakage in WebAuthentication in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-13889?
CVE-2026-13889 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-13889?
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.

Related CVEs from 2026

View all 2026CVEs →

Are you affected by CVE-2026-13889?

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

Scan your code now

Source: NVD / NIST