CVE-2026-55377

Technical details about CVE-2026-55377 are not publicly available in the provided documents. Monitor for updates.

CVE-2026-55377 Logto: Account Center MFA management step-up bypass via WebAuthn registration verification

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's Account Center step-up check accepted any active verification record that belonged to the current user and had isVerified === true. A WebAuthn registration verification record for binding a new...

CVE-2026-55377 Logto: Account Center MFA management step-up bypass via WebAuthn registration verification

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's Account Center step-up check accepted any active verification record that belonged to the current user and had isVerified === true. A WebAuthn registration verification record for binding a new...

Exploit for Expression Language Injection in Atlassian Confluence_Data_Center

PoC...

DoS (Denial of Service) serialize-javascript Dependency in Confluence Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of...

DoS (Denial of Service) loader-utils Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 5.17.2 and 10.3.20 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticat...

DoS (Denial of Service) loader-utils Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 5.17.2 and 10.3.20 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an unauthenticat...

Prototype pollution vulnerability parseQuery dependency in Jira Software Data Center

This is a vulnerability in a non-Atlassian Jira Service Management dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity Injection vulnerability was introduced in versions 5.17.2 and 10.3.20 of Jira Service Management Data...

File Inclusion fast-uri Dependency in Jira Software Data Center

This High severity File Inclusion vulnerability was introduced in versions 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center. This File Inclusion vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of...

Injection fast-uri Dependency in Jira Software Data Center

This High severity Injection vulnerability was introduced in versions 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center. This Injection vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of...

Injection fast-uri Dependency in Jira Service Management Data Center

This High severity Injection vulnerability was introduced in versions 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This Injection vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of...

DoS (Denial of Service) pgjdbc Dependency in Jira Service Management Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 5.16.0, 5.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This DoS Denial of Service vulnerability, with a CVSS Score ...

DoS (Denial of Service) pgjdbc Dependency in Jira Software Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 9.12.1, 9.16.0, 9.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of...

SSRF (Server-Side Request Forgery) axios Dependency in Jira Software Data Center

This High severity SSRF Server-Side Request Forgery vulnerability was introduced in versions 9.17.2, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center. This SSRF Server-Side Request Forgery vulnerability, with a CVSS...

DoS (Denial of Service) axios Dependency in Jira Software Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 9.17.5, 10.3.12, 11.2.1, and 11.3.0 of Jira Software Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H allows an...

Information Disclosure axios Dependency in Jira Software Data Center

This High severity Information Disclosure vulnerability was introduced in versions 9.17.2, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.1, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.1, and 11.3.0 of Jira Software Data Center. This Information Disclosure vulnerability, with a CVSS Score of 7.5 and a CVS...

Information Disclosure axios Dependency in Jira Software Data Center

This High severity Information Disclosure vulnerability was introduced in versions 9.17.2, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.1, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.1, and 11.3.0 of Jira Software Data Center. This Information Disclosure vulnerability, with a CVSS Score of 8.2 and a CVS...

Injection axios Dependency in Jira Software Data Center

This High severity Injection vulnerability was introduced in versions 9.17.2, 10.0.1, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.1, and 11.3.0 of Jira Software Data Center. This Injection vulnerability, with a CVSS Score of 8.7 and a CVSS Vector of...

DoS (Denial of Service) io.netty:netty-codec-http2 Dependency in Jira Software Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 9.12.1, 9.17.0, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.1, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and...

BASM (Broken Authentication & Session Management) SubjectDnX509PrincipalExtractor Dependency in Jira Service Management Data Center

This High severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center. This BASM Broken Authentication & Session Management...