CVE-2026-78949

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-78949
StatePUBLISHED
AssignerChrome
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-25 21:17:50 UTC
Updated2026-08-31 18:58:30 UTC
DescriptionObservable discrepancy in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-installed app. (Chromium security severity: Medium)

Risk And Classification

Primary CVSS: v3.1 2.9 LOW from ADP

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

EPSS: 0.000990000 probability, percentile 0.009050000 (date 2026-09-01)

Problem Types: CWE-203 | CWE-203 Observable discrepancy

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Google Android - All All All
Application Google Chrome All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Google Chrome affected 152.0.7977.65 152.0.7977.65 custom Not specified

References

ReferenceSourceLinkTags
issues.chromium.org/issues/517910756 [email protected] issues.chromium.org Permissions Required
chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html [email protected] chromereleases.googleblog.com Release Notes, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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