CVE-2026-12225— syracom Secure Login (2FA) for Confluence allows 2FA bypass via spoofed User-Agent
Possible ATT&CK Techniques 3AI
T1136 · Create Account T1078 · Valid Accounts T1078.003 · Local AccountsAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| syracom AG | Secure Login (2FA) for Bitbucket | 3.4.0.0 | affected |
| syracom AG | Secure Login (2FA) for Confluence | 3.4.0.0< 3.5.0.0 | affected |
| syracom AG | Secure Login (2FA) for Jira | 3.4.0.0< 3.5.0.0 | affected |
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I. Basic Information for CVE-2026-12225
Vulnerability Information
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Vulnerability Title
syracom Secure Login (2FA) for Confluence allows 2FA bypass via spoofed User-Agent
Source: NVD (National Vulnerability Database)
Vulnerability Description
syracom AG Secure Login (2FA) for Atlassian Jira, Confluence, and Bitbucket 3.4.0.x contains an authentication bypass vulnerability. An attacker with valid credentials for a user account can bypass the two-factor authentication flow by sending HTTP requests with a crafted User-Agent header containing specific strings such as AtlassianMobileApp or JIRA. When such a User-Agent is present, the plugin does not enforce the configured 2FA checks for protected web resources. Successful exploitation allows the attacker to access the affected Atlassian application as the compromised user without completing 2FA. If the compromised account has administrative privileges, the attacker can access administrative functionality and may disable the 2FA plugin or make arbitrary administrative changes. The issue is fixed in version 3.5.0.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| syracom AG | Secure Login (2FA) for Jira | 3.4.0.0 ~ 3.5.0.0 | - | |
| syracom AG | Secure Login (2FA) for Confluence | 3.4.0.0 ~ 3.5.0.0 | - | |
| syracom AG | Secure Login (2FA) for Bitbucket | 3.4.0.0 | - |
II. Public POCs for CVE-2026-12225
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-12225 (1)
Security Blog Posts for CVE-2026-12225 (1)
Vendor Pages for CVE-2026-12225 (1)
Other References for CVE-2026-12225 (1)
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V. Comments for CVE-2026-12225
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