Skip to content
OpenAdvisories

Archive

April 2026

Vulnerabilities first published in this month (UTC), newest first.

← March 2026 2026 / April May 2026 →
  1. 1242
  2. 2258
  3. 3226
  4. 463
  5. 5111
  6. 6256
  7. 7280
  8. 8490
  9. 9279
  10. 10223
  11. 1139
  12. 1257
  13. 13223
  14. 14415
  15. 15194
  16. 16142
  17. 17166
  18. 1833
  19. 1925
  20. 20180
  21. 21352
  22. 22343
  23. 23184
  24. 24281
  25. 2540
  26. 2679
  27. 27198
  28. 28221
  29. 29136
  30. 30170
All Critical High Medium Low Exploited only Public exploit

6 results · Clear filters · Feed

  • High 7.8
    CVE-2026-31431 Exploited Public exploit EPSS 98%

    crypto: algif_aead - Revert to operating out-of-place

    In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux Alpine
    KEV May 1, 2026
  • High 7.8
    CVE-2026-33825 Exploited · Ransomware Public exploit

    Microsoft Defender Elevation of Privilege Vulnerability

    Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.

    Microsoft Microsoft Defender Antimalware Platform
    KEV Apr 22, 2026
  • High 8.6
    CVE-2026-34621 Exploited Public exploit

    Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

    Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary code execution in the context of the curre…

    Adobe Acrobat 2024 Acrobat Reader DC Acrobat DC
    KEV Apr 13, 2026
  • High 7.5
    CVE-2026-34486 Exploited Public exploit Scanner template EPSS 99%

    Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor

    Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116. Users are recommended to upgrade to version 11.0.…

    Apache Software Foundation Apache Tomcat org.apache.tomcat:tomcat org.apache.tomcat:tomcat-tribes Maven
    KEV Aug 4, 2026
  • High 8.8
    CVE-2026-34197 Exploited Public exploit Scanner template EPSS 98%

    Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Authenticated users could perform RCE via Jolokia MBeans

    Improper Input Validation, Improper Control of Generation of Code ('Code Injection') vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ. Apache ActiveMQ Classic exposes the Jolokia JMX-HTTP bridge at /api/jolokia/ on the web console. The default Jolokia…

    Apache Software Foundation Apache ActiveMQ Apache ActiveMQ All Apache ActiveMQ Broker Debian Ubuntu Maven
    KEV Apr 16, 2026
  • High 8.8
    CVE-2026-5281 Exploited Public exploit EPSS 14%

    Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the rende…

    Google Chrome chromium chromium Browsers Debian Alpine Wolfi
    KEV Apr 1, 2026