boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-9336

IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  N  N  H    7.5   .0077   54.1     —
AFFECTED
  Product                       Versions  Fixed
  WebSphere Application Server  9.0 –     —
TIMELINE
  May 22  Reserved by ibm
  Sep 10  Published (CNA: ibm)
  Sep 16  RESCORED — CVE-2026-9336 (IBM WebSphere Application Server). CVSS 6.5 → 7.5 (NVD).
CWE-306 · CNA: ibm · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to a denial of service, caused by sending a specially-crafted HTTP request to an administrative endpoint. A remote attacker could exploit this vulnerability to cause the server to exhaust filesystem space.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
May 22, 2026ReservedReserved by ibm
September 10, 2026PublishedPublished (CNA: ibm)
September 16, 2026RESCOREDRESCORED — CVE-2026-9336 (IBM WebSphere Application Server). CVSS 6.5 → 7.5 (NVD).

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
IBMWebSphere Application Server—9.0—

Weaknesses

CWE-306

References (1)

Related

Authoritative record: CVE-2026-9336 at cve.org

Vendors: ibm

Weaknesses: CWE-306

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-9336 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.