CVE-2026-82810
A weakness has been identified in extension.vn 2FA Authenticator Extension 1.0.0.2 on Chrome.
Does this matter?
Lower severity and a low EPSS score (0.10%). Track it; it rarely justifies an emergency change on its own.
Description
A weakness has been identified in extension.vn 2FA Authenticator Extension 1.0.0.2 on Chrome. The impacted element is the function chrome.runtime.onMessageExternal.addListener of the component Background Service Worker. Executing a manipulation of the argument sender.id can lead to information disclosure. The attack requires local access. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
- CVSS 4.0
- 1.9 LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.10% probability · 1th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200, CWE-284
- Source
- cna@vuldb.com
References
- https://github.com/xryj920/chrome_extensions/blob/main/extension.vn%202FA%20Authenticator%201.0.0.2%20exposes%20stored%20TOTP%20secrets%20through%20an%20unrestricted%20external%20message%20handler
- https://vuldb.com/cve/CVE-2026-82810
- https://vuldb.com/submit/875249
- https://vuldb.com/vuln/397229
- https://vuldb.com/vuln/397229/cti
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.