CVE-2026-2317Network attack vector

Cross-origin data disclosure

Published Feb 11, 2026 · Updated Feb 11, 2026

Cross-origin data exposure in Animation in Google Chrome before 145.0.7632.45 allows remote attackers to leak data via crafted HTML. The public record identifies an inappropriate Animation implementation but does not disclose the affected function or operation that crosses the origin boundary. Exploitation requires a user to open attacker-controlled HTML; the reported consequence is data disclosure without integrity or availability impact.

CVSS severity6.5
Medium
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-origin data exposure in Animation in Google Chrome before 145.0.7632.45 allows remote attackers to leak data via crafted HTML. The public record identifies an inappropriate Animation implementation but does not disclose the affected function or operation that crosses the origin boundary. Exploitation requires a user to open attacker-controlled HTML; the reported consequence is data disclosure without integrity or availability impact.

The record

CVE
CVE-2026-2317
Published
Feb 11, 2026
Updated
Feb 11, 2026
Vendor
Go standard library
Product
Google Chrome
Classifications
CWE-352, CWE-200, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=145.0.7632.45 <145.0.7632.45

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Go standard library · Google Chromeversion=145.0.7632.45 <145.0.7632.45

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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