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Oracle Critical Security Patch Update September 2026

Released September 2026 · Oracle's advisory ↗ · ← Security Patch Update, August 2026 · Critical Patch Update, October 2026 →

806 CVEs in this release, one square each

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Share this chart Oracle Critical Security Patch Update September 2026, one square per CVE: 639 Java CVEs, 6 protected by Waratek, 5 exploited, 167 other CVEs in this release.

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6Protected by Waratek633No exploit published1Outside Waratek scope166Not applicable 5Exploited, marked by the ring

No exploit published. For 596 of them, Oracle's security advisory is the source of public detail.

Protected by Waratek. Waratek RASP can block exploitation of these on systems that have not applied the patch yet.

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Overview 2 matches · 0 exploited · 0 CISA KEV · 1 public PoC · 0 EPSS ≥ 0.5
2matches 0exploited0.0% 0CISA KEV0.0% 1public PoC50.0% 0EPSS ≥ 0.50.0%
Protected by Waratek 2 100.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 0 0.0%
Critical 0 0.0% High 0 0.0% Medium 2 100.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 2 100.0% partly blocked 0 0.0% not blocked 0 0.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 1 50.0% Proof of concept only 0 0.0% Forecast only 0 0.0% No public exploit 1 50.0%
split by peak 1 / month
Protected by Waratek: 2 Medium: 2 blocked by ARMR today: 2 No public exploit: 1Working exploit published: 1
Jun 261 Protected by Waratek1 Medium1 blocked by ARMR today1 Working exploit published1 Jul 260 Aug 261 Protected by Waratek1 Medium1 blocked by ARMR today1 No public exploit1
Jun 26Jul 26Aug 26
2 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed.
CVE Severity Published▾ Status Exploitation Description
CVE-2026-19880 Medium 2026-08-14 Protected by Waratek No public exploit Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an MDC-based discriminator value flows unsanitized into a nested FileAppender path, letting an attacker who influences that MDC value (e.g. via an HTTP header) create and append log files outside the intended directory. This issue affects Logback-classic: from 0.9.14 through 1.6.2.
CVE-2026-50229 Medium 2026-06-29 Protected by Waratek Working exploit published Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.