{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-12225: syracom Secure Login (2FA) for Confluence allows 2FA bypass via spoofed User-Agent","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-12225","status":"final","version":"1","initial_release_date":"2026-06-16T11:20:37.621Z","current_release_date":"2026-06-16T12:09:13.418Z","revision_history":[{"date":"2026-06-16T11:20:37.621Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-12225 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-12225"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-12225"},{"category":"external","summary":"marketplace.atlassian.com","url":"https://marketplace.atlassian.com/apps/1214491/secure-login-2fa-for-confluence"},{"category":"external","summary":"syracom-bee.atlassian.net","url":"https://syracom-bee.atlassian.net/wiki/spaces/SL/pages/4193255427/2026-05-11+-+Secure+Login+security+advisory+-+Broken+Access+Control"},{"category":"external","summary":"syracom-bee.atlassian.net","url":"https://syracom-bee.atlassian.net/wiki/spaces/SL/pages/4230217729/Mobile+app+login+does+not+work+with+Secure+Login"},{"category":"external","summary":"r.sec-consult.com","url":"https://r.sec-consult.com/syracom"}]},"product_tree":{"branches":[{"category":"vendor","name":"syracom AG","branches":[{"category":"product_name","name":"Secure Login (2FA) for Jira","branches":[{"category":"product_version_range","name":">=3.4.0.0 <3.5.0.0","product":{"name":"syracom AG Secure Login (2FA) for Jira >=3.4.0.0 <3.5.0.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:syracom_ag:secure_login_\\(2fa\\)_for_jira:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"syracom AG","branches":[{"category":"product_name","name":"Secure Login (2FA) for Confluence","branches":[{"category":"product_version_range","name":">=3.4.0.0 <3.5.0.0","product":{"name":"syracom AG Secure Login (2FA) for Confluence >=3.4.0.0 <3.5.0.0","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:syracom_ag:secure_login_\\(2fa\\)_for_confluence:*:*:*:*:*:*:*:*"}}}]}]},{"category":"vendor","name":"syracom AG","branches":[{"category":"product_name","name":"Secure Login (2FA) for Bitbucket","branches":[{"category":"product_version","name":"3.4.0.0","product":{"name":"syracom AG Secure Login (2FA) for Bitbucket 3.4.0.0","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:syracom_ag:secure_login_\\(2fa\\)_for_bitbucket:3.4.0.0:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-12225","title":"syracom Secure Login (2FA) for Confluence allows 2FA bypass via spoofed User-Agent","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":8.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 3.5.0.0.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3"]}]}]}