CVE-2026-86349 Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...

CVE-2026-86349

Mattermost server versions 11.9.x ≤ 11.9.0, 11.8.x ≤ 11.8.4, 11.7.x ≤ 11.7.8, and 10.11.x ≤ 10.11.22 are affected by an algorithmic denial of service in the server-side Markdown parser. The root cause is a failure to limit nesting depth , allowing an authenticated attacker to exhaust CPU resource...

CVE-2026-86349 Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...

Security Bulletin: Vulnerabilities in spring-core-5.3.25.jar and spring-expression-6.1.11.jar (CVE-2026-41850, CVE-2026-41851, CVE-2026-41852, CVE-2026-41848) affect IBM PowerVM Novalink.

Summary The spring-core-5.3.25.jar and spring-expression-6.1.11.jar are used by IBM PowerVM Novalink. IBM PowerVM Novalink has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-41848 DESCRIPTION: Applications may be vulnerable to a Regular Expression Denial of Service ReDoS atta...

DoS (Denial of Service) org.springframework:spring-expression Dependency in Crowd Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 7.0.0, 7.1.0, and 7.2.0 of Crowd 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 unauthenticated attacker t...

Security Bulletin: Multiple Vulnerabilities affect IBM Tivoli Netcool Impact 7.1.1.0

Summary Multiple vulnerabilities were addressed in IBM Tivoli Netcool Impact version 7.1.1.1 Vulnerability Details CVEID:CVE-2026-42198 DESCRIPTION: pgjdbc is an open source postgresql JDBC Driver. From version 42.2.0 to before version 42.7.11, pgjdbc is vulnerable to a client-side denial of...

CVE-2026-41850 Spring Framework Algorithmic Denial of Service via SpEL Expressions

Applications that evaluate user-supplied Spring Expression Language SpEL expressions are vulnerable to an Algorithmic Denial of Service DoS. By providing a specially crafted expression, an attacker can trigger excessive resource consumption during evaluation, leading to application degradation or...

CVE-2026-35599

Summary: CVE-2026-35599 affects Vikunja prior to version 2.3.0, where addRepeatIntervalToTime uses an O(n) loop to advance a date by RepeatAfter until it passes now. When a repeating task uses a 1-second interval and an old due_date, this can trigger billions of iterations, causing high CPU usage...