CVE-2026-11284
published 2026-06-05CVE-2026-11284: Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted…
PriorityP432medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.24%
14.9th percentile
Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 149.0.7827.53 | 149.0.7827.53 | |
| chrome | >= 149.0.7827.53 < 149.0.7827.53 | 149.0.7827.53 | |
| chrome_desktop | — | — | |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
vendor_redhat6.5MEDIUM
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Palo Alto
PAN-SA-2026-0010 Chromium and Prisma Browser: Monthly Vulnerability Update (July 2026)
vendor_paloalto·2026-07-08·CVSS 9.6
CVE-2026-10881 [CRITICAL] PAN-SA-2026-0010 Chromium and Prisma Browser: Monthly Vulnerability Update (July 2026)
PAN-SA-2026-0010 Chromium and Prisma Browser: Monthly Vulnerability Update (July 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01245939337.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html CVE Summary CVE-2026-10881 Out of bounds rea
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-11284
vendor_chrome·2026-06-17
CVE-2026-11284 Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-11284
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-11284
Chrome
Stable Channel Update for Desktop: CVE-2026-11282
vendor_chrome·2026-06-02
CVE-2026-11282 [LOW] Stable Channel Update for Desktop: CVE-2026-11282
Stable Channel Update for Desktop
CVE-2026-11282: Policy bypass in Sandbox. Reported by Google on 2026-04-13 [N/A][ 502069297 ] Low CVE-2026-11283: Policy bypass in Shortcuts
Reported by Google on 2026-04-13 [N/A][ 502073069 ] Low CVE-2026-11284: Side-channel information leakage in PerformanceAPIs
Severity: low
Red Hat
chromium-browser: Side-channel information leakage in PerformanceAPIs
vendor_redhat·2026-06-02·CVSS 6.5
CVE-2026-11284 [MEDIUM] CWE-346 chromium-browser: Side-channel information leakage in PerformanceAPIs
chromium-browser: Side-channel information leakage in PerformanceAPIs
Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
A side-channel information leakage flaw was found in the PerformanceAPIs component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=502073069
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
VulDB
Google Chrome up to 148.0.7778.216 PerformanceAPIs improper protection of physical side channels (ID 502073 / EUVD-2026-34745)
vuldb·2026-06-05·CVSS 6.5
CVE-2026-11284 [MEDIUM] Google Chrome up to 148.0.7778.216 PerformanceAPIs improper protection of physical side channels (ID 502073 / EUVD-2026-34745)
A vulnerability marked as problematic has been reported in Google Chrome. Affected is an unknown function of the component PerformanceAPIs. The manipulation leads to improper protection of physical side channels.
This vulnerability is uniquely identified as CVE-2026-11284. The attack is possible to be carried out remotely. No exploit exists.
It is suggested to upgrade the affected component.
GHSA
Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
ghsa_unreviewed·2026-06-05
CVE-2026-11284 [MEDIUM] CWE-1300 Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
No detection rules found.
No public exploits indexed.
2026-06-05
Published