Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-10841

CVE-2026-10841MEDIUM

IBM CICS TX Advanced — Multiple security vulnerabilities may affect IBM WebSphere Liberty that is shipped with IBM CICS TX Advanced.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   N  U  L  L  N    4.8   .0018    6.6     —

AFFECTED
  Product           Versions  Fixed
  CICS TX Advanced  10.1 –    —

TIMELINE
  Jun 4   Reserved by ibm
  Sep 18  Published (CNA: ibm)
  Sep 30  RESCORED — CVE-2026-10841 (IBM CICS TX Advanced). CVSS 4.2 → 4.8 (NVD).

CWE-444 · CNA: ibm · CVSS v3.1 · 1 reference · NVD status: Undergoing Analysis

Description

IBM WebSphere Application Server 8.5, 9.0, and Liberty are vulnerable to HTTP request smuggling.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 4, 2026	Reserved	Reserved by ibm
September 18, 2026	Published	Published (CNA: ibm)
September 30, 2026	RESCORED	RESCORED — CVE-2026-10841 (IBM CICS TX Advanced). CVSS 4.2 → 4.8 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
IBM	CICS TX Advanced	—	10.1	—

Weaknesses

CWE-444

References (1)

https://www.ibm.com/support/pages/node/7287740

Authoritative record: CVE-2026-10841 at cve.org

Vendors: ibm

Weaknesses: CWE-444

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-10841 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 Saturday, October 3, 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.