CVE-2026-120930
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote...
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
- Record
CVE-2026-120930- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-04
EUVDEUVD-2026-116385
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
- Record
EUVD-2026-116385- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-04
GitHub AdvisoriesGHSA-4vp5-8fmq-v52x
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote...
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
- Record
GHSA-4vp5-8fmq-v52x- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-04
NVD
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
- Record
CVE-2026-120930- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-863
- Updated
- 2026-11-05
OSVDEBIAN-CVE-2026-120930
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)
- Record
DEBIAN-CVE-2026-120930- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
chromiumDebian:12 |
before 156.0.8078.47-1~deb12u1, plus listed versions 113.0.5672.126-1114.0.5735.106-1114.0.5735.106-1~deb11u1114.0.5735.106-1~deb12u1114.0.5735.133-1 Show 45 moreShow less114.0.5735.133-1~deb11u1114.0.5735.133-1~deb12u1114.0.5735.198-1114.0.5735.198-1~deb11u1114.0.5735.198-1~deb12u1114.0.5735.90-1114.0.5735.90-2114.0.5735.90-2~deb11u1114.0.5735.90-2~deb12u1115.0.5790.102-1115.0.5790.102-2115.0.5790.170-1115.0.5790.170-1~deb11u1115.0.5790.170-1~deb12u1115.0.5790.98-1115.0.5790.98-1~deb11u1115.0.5790.98-1~deb12u1115.0.5790.98-2116.0.5845.110-1116.0.5845.110-1~deb11u1116.0.5845.110-1~deb12u1116.0.5845.110-2116.0.5845.140-1116.0.5845.140-1~deb11u1116.0.5845.140-1~deb12u1116.0.5845.180-1116.0.5845.180-1~deb11u1116.0.5845.180-1~deb12u1116.0.5845.96-1116.0.5845.96-1~deb11u1116.0.5845.96-1~deb12u1116.0.5845.96-2117.0.5938.132-1117.0.5938.132-1~deb11u1117.0.5938.132-1~deb12u1117.0.5938.132-2117.0.5938.149-1117.0.5938.149-1~deb11u1117.0.5938.149-1~deb12u1117.0.5938.62-1117.0.5938.62-1~deb11u1117.0.5938.62-1~deb12u1117.0.5938.92-1118.0.5993.117-1118.0.5993.117-1~deb11u1 |
156.0.8078.47-1~deb12u1 |
chromiumDebian:13 |
before 156.0.8078.47-1~deb13u1, plus listed versions 138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2 Show 45 moreShow less139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.127-1140.0.7339.127-1~deb12u1140.0.7339.127-1~deb13u1140.0.7339.185-1140.0.7339.185-1~deb12u1140.0.7339.185-1~deb13u1140.0.7339.207-1140.0.7339.207-1~deb12u1140.0.7339.207-1~deb13u1140.0.7339.80-1140.0.7339.80-1~deb12u1140.0.7339.80-1~deb13u1141.0.7390.107-1141.0.7390.107-1~deb12u1141.0.7390.107-1~deb13u1141.0.7390.122-1141.0.7390.122-1~deb12u1141.0.7390.122-1~deb13u1141.0.7390.54-1141.0.7390.54-1~deb12u1141.0.7390.54-1~deb13u1141.0.7390.65-1141.0.7390.65-1~deb12u1141.0.7390.65-1~deb13u1142.0.7444.134-1142.0.7444.134-1~deb12u1142.0.7444.134-1~deb13u1142.0.7444.162-1142.0.7444.162-1~deb12u1142.0.7444.162-1~deb13u1142.0.7444.175-1142.0.7444.175-1~deb12u1142.0.7444.175-1~deb13u1142.0.7444.59-1142.0.7444.59-1~deb12u1142.0.7444.59-1~deb13u1143.0.7499.109-1 |
156.0.8078.47-1~deb13u1 |
chromiumDebian:14 |
before 156.0.8078.47-1, plus listed versions 138.0.7204.183-1139.0.7258.127-1139.0.7258.127-1~deb12u1139.0.7258.127-1~deb13u1139.0.7258.127-2 Show 45 moreShow less139.0.7258.138-1139.0.7258.138-1~deb12u1139.0.7258.138-1~deb13u1139.0.7258.154-1139.0.7258.154-1~deb12u1139.0.7258.154-1~deb13u1139.0.7258.66-1139.0.7258.66-1~deb12u1140.0.7339.127-1140.0.7339.127-1~deb12u1140.0.7339.127-1~deb13u1140.0.7339.185-1140.0.7339.185-1~deb12u1140.0.7339.185-1~deb13u1140.0.7339.207-1140.0.7339.207-1~deb12u1140.0.7339.207-1~deb13u1140.0.7339.80-1140.0.7339.80-1~deb12u1140.0.7339.80-1~deb13u1141.0.7390.107-1141.0.7390.107-1~deb12u1141.0.7390.107-1~deb13u1141.0.7390.122-1141.0.7390.122-1~deb12u1141.0.7390.122-1~deb13u1141.0.7390.54-1141.0.7390.54-1~deb12u1141.0.7390.54-1~deb13u1141.0.7390.65-1141.0.7390.65-1~deb12u1141.0.7390.65-1~deb13u1142.0.7444.134-1142.0.7444.134-1~deb12u1142.0.7444.134-1~deb13u1142.0.7444.162-1142.0.7444.162-1~deb12u1142.0.7444.162-1~deb13u1142.0.7444.175-1142.0.7444.175-1~deb12u1142.0.7444.175-1~deb13u1142.0.7444.59-1142.0.7444.59-1~deb12u1142.0.7444.59-1~deb13u1143.0.7499.109-1 |
156.0.8078.47-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, facts, references | OSV | |
| references | GitHub Advisories, NVD | |
| severity | CVE List | |
| published, severity | EUVD, NVD | |
| published | EUVD | |
| aliases, references, title | GitHub Advisories, NVD | |
| first indexed | CVE List, EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-120930 is a medium vulnerability (CVSS 5.4) in Google Chrome, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. Fixed in chromium 156.0.8078.47-1~deb12u1.
References
Left out here: 694 versions. The JSON record has them.