VulnSocial

CVE-2026-9330General(ibm / websphere_application_server)

LOWCVSS 8.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch ibm websphere_application_server systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-502

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • websphere_application_server

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-06-01); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
ibm
Products
websphere_application_server

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-06-01: 1Mentions · 2026-06-02: 1Patch / Workaround · 2026-06-02: 1Technical Details · 2026-06-01: 1Technical Details · 2026-06-02: 106-0106-02
Signal classification2 categories
General
150.0%
Patch
150.0%
Referenced assets1 URL
By indicator
Classification over time
DateTotalLabels
2026-06-011
General1
2026-06-021
Patch1
Full discourse2 posts
  • CCB Alert@CCBalert
    Patch

    Warning: #IBM patched several vulnerabilities in #WebSphere Application Server. The four most critical are CVE-2026-9319, CVE-2026-9311, CVE-2026-9330 & CVE-2026-8644 with CVSS scores up to 9.1. Affected versions may face high integrity and availability impact. #Patch #Patch

    Post summary

    IBM has released patches for four critical WebSphere Application Server CVEs with CVSS scores up to 9.1, potentially affecting integrity and availability.

    01000299
    7.2K followersView on X
  • Matthias Knäpper@knaepp
    General

    IBM WebSphere Application Server is affected by remote code execution (CVE-2026-9311, CVE-2026-9330) https://tinyurl.com/282ddzef

    Post summary

    IBM WebSphere Application Server is reported to be vulnerable to two remote code execution CVEs (CVE‑2026‑9311, CVE‑2026‑9330); the post links to a short URL potentially for more information.

    0000045
    109 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appibmwebsphere_application_server---

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