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CWE-91

11
HIGH
9
MEDIUM
23 CVEs
8.8
CVE-2026-28770

Improper neutralization of special elements in the /IDC_Logging/checkifdone.cgi script in International Datacasting Corp

8.8
CVE-2026-46490

samlify is a Node.js library for SAML single sign-on. Prior to version 2.13.0, samlify’s template substitution only esca

8.7
CVE-2026-40165

authentik is an open-source identity provider. Versions 2025.12.4 and prior, and versions 2026.2.0-rc1 through 2026.2.2

8.5
CVE-2026-55789

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, Logto's self-hosted SAML app

8.4
CVE-2022-50902

Wondershare FamiSafe 1.0 contains an unquoted service path vulnerability in the FSService that allows local users to pot

8.1
CVE-2026-11169

Inappropriate implementation in XML in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to inject arbitrar

7.5
CVE-2026-34601

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In xmldom

7.5
CVE-2026-32870

Kirby is an open-source content management system. Kirby's `Xml::value()` method has special handling for `<![CDATA[ ]]>

7.5
CVE-2026-41672

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom

7.5
CVE-2026-41674

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom

7.5
CVE-2026-41675

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom

6.5
CVE-2026-47273

pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.0, pam_usb builds XPath

6.1
CVE-2026-41650

fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. Prior to version

6.1
CVE-2026-44664

fast-xml-builder builds XML from JSON. In 1.1.5, the fix for CVE-2026-41650 in fast-xml-parser sanitizes -- sequences in

6.1
CVE-2026-44665

fast-xml-builder builds XML from JSON. Prior to 1.1.7, when an input data has quotes in attribute values but process ent

5.8
CVE-2026-53723

Guzzle Services provides an implementation of the Guzzle Command library that uses Guzzle service descriptions to descri

5.4
CVE-2026-27693

Traccar is an open source GPS tracking system. In org.traccar:traccar versions starting at 6.11.1 before 6.13.0, the KML

4.9
CVE-2026-24329

A flaw was found in wildfly-core. A remote user authenticated as an administrative user can inject a malformed payload i

4.3
CVE-2026-59728

Astro is a web framework for content-driven websites. In versions 1.0.0 through 4.0.18, the source.title and enclosure.t

4.2
CVE-2026-1554

XML Injection (aka Blind XPath Injection) vulnerability in Drupal Central Authentication System (CAS) Server allows Priv

CVE-2026-15037

Improper output neutralization (XML injection) in QDom comment, CDATA, and processing-instruction serialization in Qt XM

CVE-2026-47080

XML Injection vulnerability in joshnuss xml_builder (XmlBuilder module) allows Content Spoofing, XML Injection. This vu

CVE-2026-48590

XML Injection vulnerability in joshnuss xml_builder (XmlBuilder module) allows Content Spoofing, XML Injection. This vu

Frequently Asked Questions

What is CWE-91?

CWE-91 (CWE-91) is a weakness category in the Common Weakness Enumeration (CWE) system maintained by MITRE. It describes a class of software or hardware vulnerability that can lead to security issues.

How many CVEs are classified as CWE-91?

There are 28 CVE records associated with CWE-91 in our database. Of these, 0 are critical severity, 11 are high severity, and 9 are medium severity.

How can I protect against CWE-91 vulnerabilities?

Protection strategies depend on the specific weakness type. General measures include input validation, secure coding practices, regular security testing, and keeping software up to date. CyberStrike can help by automatically scanning your infrastructure for vulnerabilities related to CWE-91 using AI-powered security agents.

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