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No exploitation reportedFix available

CVE-2026-106189

Code Injection in Chrome ReaderMode Enables Web Origin Policy Bypass on iOS

No exploitation reported by the sources we read.

  • Published2026-10-06
  • Fixed in155.0.8059.39
  • WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Code injection in ReaderMode in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Timeline

dates in UTC
  1. 2026-10-0619:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-106189?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-106189?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Google chromeversion to verify
BranchAffectedFixed in
155.0< 155.0.8059.39155.0.8059.39

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2026-106189 Red Hat Product Security

    chromium-browser: Code injection in ReaderMode

Full record on NVD

Fix

  1. Update Google chrome to 155.0.8059.39

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
2026-10-06
Last Modified
2026-10-08
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-106189?

Code injection in ReaderMode in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Is CVE-2026-106189 actively exploited?

Active exploitation of CVE-2026-106189 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-106189?

CVE-2026-106189 has a CVSS v3 base score of 7.3 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

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