CVE-2026-13840: google chrome Origin Validation Error
CVSS: 6.5v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2026-13840CGA-2jv2-wh9f-5p8vCGA-8wgm-72mj-2hr5CGA-9m2c-3983-f836CGA-f45p-jj2q-j6fhCGA-f48h-ffg7-7vxvCGA-fwc4-j92r-g57h
Published 30-06-2026Last modified 01-07-2026
Vulnerability summary
CVE-2026-13840 is a medium (CVSS 6.5) Origin Validation Error vulnerability in google chrome. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.1% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 4Timeline
- 30-06-2026PublishedVulnerability first disclosed.
- 01-07-2026Last modifiedVulnerability information updated.
Description
Insufficient policy enforcement in Canvas in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
0.00 pp
From 0.25% on 21-09-2026
21-09-202621-10-2026
EPSS score0.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard3 products
- chromium< 150.0.7871.100-r2
- chromium-docker-selenium-compat< 150.0.7871.100-r2
- chromium-lang< 150.0.7871.100-r2
Wolfi3 products
- chromium< 150.0.7871.100-r2
- chromium-docker-selenium-compat< 150.0.7871.100-r2
- chromium-lang< 150.0.7871.100-r2
Debian1 product
- chromium< 150.0.7871.46-1~deb12u1 | < 150.0.7871.46-1~deb13u1 | < 150.0.7871.46-1
Google1 product
- chrome≥ 150.0.7871.47, < 150.0.7871.47 | < 150.0.7871.47
4 vendors · 8 products
References
3 links- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.htmlVendor AdvisoryRelease Notes
- issues.chromium.org/issues/514609778Permissions Required