httpd: Apache HTTP Server: Denial of Service via crafted regular expressions

A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service...

CVE-2026-63749

SurrealDB versions before 3.1.0 contain an authentication bypass vulnerability in LIVE SELECT subscriptions where permission expressions referencing $value, $before, $after, or $event are evaluated against attacker-controlled bindings instead of actual documents. Authenticated subscribers can bin...

CVE-2026-63737

SurrealDB versions before 3.1.5 contain a denial of service vulnerability where authenticated users can crash the server with queries containing long chains of operators. Attackers can submit queries with tens of thousands of chained operators that create unbounded expression trees, causing stack...

CVE-2026-63749 SurrealDB before 3.1.0 Authentication Bypass via LIVE SELECT

SurrealDB versions before 3.1.0 contain an authentication bypass vulnerability in LIVE SELECT subscriptions where permission expressions referencing $value, $before, $after, or $event are evaluated against attacker-controlled bindings instead of actual documents. Authenticated subscribers can bin...

EUVD-2026-45920

SurrealDB versions before 3.1.0 contain an authentication bypass vulnerability in LIVE SELECT subscriptions where permission expressions referencing $value, $before, $after, or $event are evaluated against attacker-controlled bindings instead of actual documents. Authenticated subscribers can bin...

httpd: Apache HTTP Server: Denial of Service via crafted regular expressions

A flaw was found in Apache HTTP Server. This buffer underwrite vulnerability occurs when processing crafted regular expressions in the server's configuration. An attacker could potentially exploit this to cause a denial of service...

PT-2026-61565

SurrealDB versions before 3.1.0 contain an authentication bypass vulnerability in LIVE SELECT subscriptions where permission expressions referencing $value, $before, $after, or $event are evaluated against attacker-controlled bindings instead of actual documents. Authenticated subscribers can bin...

Critical NGINX Vulnerability Can Crash Workers and May Allow Remote Code Execution

F5 has shipped fixes for a critical nginx flaw that lets a remote, unauthenticated attacker trigger a heap buffer overflow in the worker process with crafted HTTP requests. CVE-2026-42533 was patched on July 15 in nginx 1.30.4 stable and 1.31.3 mainline, and in NGINX Plus 37.0.3.1; anyone on an...

CVE-2026-55254

NCalc is a fast, lightweight expression evaluator for .NET. Prior to 6.1.1, the factorial operator implementation in src/NCalc.Core/Helpers/MathHelper.cs permits specially crafted expressions with extremely large factorial operands, causing excessive CPU consumption or a non-terminating loop due ...

CVE-2026-55254 NCalc: Denial of Service via Unbounded and Non-Terminating Factorial Evaluation

NCalc is a fast, lightweight expression evaluator for .NET. Prior to 6.1.1, the factorial operator implementation in src/NCalc.Core/Helpers/MathHelper.cs permits specially crafted expressions with extremely large factorial operands, causing excessive CPU consumption or a non-terminating loop due ...

CVE-2026-55254

NCalc (.NET) contains a DoS via the factorial operator in the NCalc.Core/Helpers/MathHelper.cs path. Prior to v6.1.1, evaluating expressions with extremely large factorial operands can cause excessive CPU usage or a non-terminating loop due to integer overflow. A fix was implemented in v6.1.1 tha...

CVE-2026-55254

NCalc is a fast, lightweight expression evaluator for .NET. Prior to 6.1.1, the factorial operator implementation in src/NCalc.Core/Helpers/MathHelper.cs permits specially crafted expressions with extremely large factorial operands, causing excessive CPU consumption or a non-terminating loop due ...

CVE-2026-41851

A flaw was found in Spring Framework. Applications that accept user-supplied Spring Expression Language SpEL expressions may be vulnerable to a Denial of Service DoS attack. This occurs if the evaluation of a SpEL expression triggers unbounded cache growth, consuming excessive resources and makin...

EUVD-2026-45083

Grav before 2.0.4 contains a regular expression denial of service ReDoS vulnerability in the regexreplace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, disabled by default, an...

CVE-2026-62237 Grav < 2.0.4 ReDoS via regex_replace in Sandbox

Grav before 2.0.4 contains a regular expression denial of service ReDoS vulnerability in the regexreplace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, disabled by default, an...

CVE-2026-45367

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.7, the FHIRPathEngine implementation passes user-controlled regular expressions from matches, matchesFull, and replaceMatches to Java regex operations without effective timeouts,...

Buffer overflow when using map and regex

Buffer overflow when using map and regex Severity: major CVE-2026-42533 Not vulnerable: 1.31.3+, 1.30.4+ Vulnerable: 0.9.6-1.31.2...

GHSA-3J7V-FHJG-6RH2 Duplicate Advisory: n8n: External Secrets Accessible via Workflow Expressions Outside Credentials

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-2434-3x6q-8r99. This link is maintained to preserve external references. Original Description n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in...

CVE-2026-59254

n8n before 2.28.1 contains an information disclosure vulnerability where external secrets are incorrectly resolved in workflow node expressions outside credentials scope. Authenticated project editors can read plaintext external secret values by referencing them in node expressions without...

EUVD-2026-44640

PraisonAI before 4.6.78 fails to safely encode deployment configuration values when generating Python source code for API servers. Attackers can inject arbitrary Python expressions through the deploy.api.host and agentsfile configuration parameters that execute when the generated server starts or...