CVE-2026-1504
published 2026-01-27CVE-2026-1504: Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted…
PriorityP432medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.22%
13.0th percentile
Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 144.0.7559.109-1~deb12u1 | 144.0.7559.109-1~deb12u1 |
| chromium | chromium | >= 0 < 144.0.7559.109-1~deb13u1 | 144.0.7559.109-1~deb13u1 |
| chromium | chromium | >= 0 < 144.0.7559.109-1 | 144.0.7559.109-1 |
| debian | chromium | < chromium 144.0.7559.109-1~deb12u1 (bookworm) | chromium 144.0.7559.109-1~deb12u1 (bookworm) |
| chrome | < 144.0.7559.110 | 144.0.7559.110 | |
| chrome | >= 144.0.7559.110 < 144.0.7559.110 | 144.0.7559.110 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
| 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
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_msrc6.5MEDIUM
vendor_redhat6.5MEDIUM
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Chrome
Long Term Support Channel Update for ChromeOS: CVE-2026-1504
vendor_chrome·2026-03-20·CVSS 6.5
CVE-2026-1504 [MEDIUM] Long Term Support Channel Update for ChromeOS: CVE-2026-1504
Long Term Support Channel Update for ChromeOS
CVE-2026-1504
Palo Alto
PAN-SA-2026-0002 Chromium: Monthly Vulnerability Update (February 2026)
vendor_paloalto·2026-02-11·CVSS 8.8
[HIGH] PAN-SA-2026-0002 Chromium: Monthly Vulnerability Update (February 2026)
PAN-SA-2026-0002 Chromium: Monthly Vulnerability Update (February 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_27.html https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_20.html https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_13.html CVE Summary CVE-2026-0899 Out of bounds memory access in V8 CVE-2026-0900 Inappropriate implementation in V8 CVE-2026-0901 Inappropriate implementation in Blink CVE-2026-0902 Inappropriate implementation in V8 CVE-2026-0903 Inappropriate implementation in Downloads CVE-2026-0904 Incorrect
Red Hat
chromium-browser: Inappropriate implementation in Background Fetch API
vendor_redhat·2026-01-27·CVSS 6.5
CVE-2026-1504 [MEDIUM] chromium-browser: Inappropriate implementation in Background Fetch API
chromium-browser: Inappropriate implementation in Background Fetch API
Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Microsoft
Chromium: CVE-2026-1504 Inappropriate implementation in Background Fetch API
vendor_msrc·2026-01-13·CVSS 6.5
CVE-2026-1504 [MEDIUM] Chromium: CVE-2026-1504 Inappropriate implementation in Background Fetch API
Chromium: CVE-2026-1504 Inappropriate implementation in Background Fetch API
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on Abou
Debian
CVE-2026-1504: chromium - Inappropriate implementation in Background Fetch API in Google Chrome prior to 1...
vendor_debian·2026·CVSS 6.5
CVE-2026-1504 [MEDIUM] CVE-2026-1504: chromium - Inappropriate implementation in Background Fetch API in Google Chrome prior to 1...
Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Scope: local
bookworm: resolved (fixed in 144.0.7559.109-1~deb12u1)
bullseye: open
forky: resolved (fixed in 144.0.7559.109-1)
sid: resolved (fixed in 144.0.7559.109-1)
trixie: resolved (fixed in 144.0.7559.109-1~deb13u1)
GHSA
GHSA-m6qv-96fg-92g8: Inappropriate implementation in Background Fetch API in Google Chrome prior to 144
ghsa_unreviewed·2026-01-27
CVE-2026-1504 [MEDIUM] GHSA-m6qv-96fg-92g8: Inappropriate implementation in Background Fetch API in Google Chrome prior to 144
Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
OSV
CVE-2026-1504: Inappropriate implementation in Background Fetch API in Google Chrome prior to 144
osv·2026-01-27·CVSS 6.5
CVE-2026-1504 [MEDIUM] CVE-2026-1504: Inappropriate implementation in Background Fetch API in Google Chrome prior to 144
Inappropriate implementation in Background Fetch API in Google Chrome prior to 144.0.7559.110 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
No detection rules found.
No public exploits indexed.
2026-01-27
Published