CVE-2026-123551

Description

OpenAM from 14.0.0 before 16.1.4 contains an information disclosure vulnerability that allows unauthenticated attackers to read live session tokens from the notification WebSocket. Attackers can bypass the agent-only check through an unvalidated internal forward on legacy Liberty ID-FF endpoints, collecting iPlanetDirectoryPro tokens to hijack user and administrator sessions.

Overview

State: PUBLISHED
Assigner (CNA): VulnCheck
CVSS severity: CRITICAL
CVSS score: 10.0 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Effective score: 10.0 / 10 CRITICAL source: CNA overview
CWE(s): CWE-201
Reserved: 2026-11-06
Published: 2026-11-08 01:37 UTC
Last updated: 2026-11-08 01:37 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/123xxx/CVE-2026-123551.json
Linked Threat: CVE-2026-123551 — OpenAM 14.0.0 before 16.1.4 Session Token Disclosure via Notification WebSocket

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-119436
Assigner: VulnCheck
Published: Nov 8, 2026, 1:37:54 AM
Updated: Nov 8, 2026, 1:37:54 AM
EUVD base score (CVSS 4.0): 10.0 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EUVD-reported EPSS: 0.0000
Vendors: OpenIdentityPlatform
Products: OpenAM (14.0.0 <16.1.4)
Aliases: GHSA-hv5h-fgcg-pwgf

ENISA description: OpenAM from 14.0.0 before 16.1.4 contains an information disclosure vulnerability that allows unauthenticated attackers to read live session tokens from the notification WebSocket. Attackers can bypass the agent-only check through an unvalidated internal forward on legacy Liberty ID-FF endpoints, collecting iPlanetDirectoryPro tokens to hijack user and administrator sessions.

EUVD references (2)

Affected products (3)

Vendor	Product	Versions	Platforms
OpenIdentityPlatform	OpenAM	`14.0.0` (affected), `16.1.4` (unaffected)	—
OpenIdentityPlatform	OpenAM	`14.0.0` (affected), `16.1.4` (unaffected)	—
OpenIdentityPlatform	OpenAM	`14.0.0` (affected), `16.1.4` (unaffected)	—

Vendor references (2)

References embedded in the original CVE record by the assigning CNA.

GitHub Security Advisory (GHSA-5c3q-hp86-xjr8) vendor-advisory
VulnCheck Advisory: OpenAM 14.0.0 before 16.1.4 Session Token Disclosure via Notification WebSocket third-party-advisory

MITRE references (2) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

GitHub Security Advisory (GHSA-5c3q-hp86-xjr8) vendor-advisory
VulnCheck Advisory: OpenAM 14.0.0 before 16.1.4 Session Token Disclosure via Notification WebSocket third-party-advisory

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

OpenAM Session Token Theft and SAML Bypass (CVE-2026-123551)

web:blog.ostorlab.co

Deep Dive Deep Dive OpenAM Session Token Theft and SAML Bypass ( CVE-2026-123551 ) OpenAM before 16.1.4 leaks live session tokens and accepts unsigned SAML assertions, letting unauthenticated attackers hijack sessions; fixed in 16.1.4.

2026-11-08 10:24 UTC
CVE Database Search & Remediation Guidance

web:cvedatabase.com

Search and analyze CVE vulnerabilities with instant access to CVSS scores, affected products, and remediation guidance.

2026-11-08 10:24 UTC
CISA Requires Federal Agencies to Patch Critical Vulnerabilities Within ...

web:cybersecuritynews.com

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued Binding Operational Directive (BOD) 26-04, titled "Prioritizing Security Updates Based on Risk," compelling all Federal Civilian Executive Branch (FCEB) agencies to remediate the most dangerous known exploited vulnerabilities within just three calendar days.

2026-11-08 10:24 UTC
Cisco Meraki Security Hardening Release: October 2026

web:sec.cloudapps.cisco.com

As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. These vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching ...

2026-11-08 10:24 UTC
ArcGIS Server Security 2026 Update 4 Patch - Esri Support

web:support.esri.com

The issues resolved by these patches are listed in the Issues addressed with this patch section below. As part of the patch installation, the ArcGIS Server service is stopped and restarted. The restart may take several minutes depending on the number of services published on the ArcGIS Server site. This patch can be uninstalled as outlined in the Uninstalling this patch on Windows and ...

2026-11-08 10:24 UTC
SAP Security Patch Day - October 2026

web:support.sap.com

On 13 th of October 2026 , SAP security patch day saw the release of 16 new security notes and 4 GitHub security advisories. There are 2 updates to previously released security notes.

2026-11-08 10:24 UTC
What Is CVE Remediation in 2026? - aikido.dev

web:www.aikido.dev

CVE remediation is fixing known flaws in the software you run. Why upgrading often fails, what remediation actually involves, and how backporting fixes it.

2026-11-08 10:24 UTC
DSA-2026-467: Security Update for Dell OpenManage Enterprise ...

web:www.dell.com

Dell OpenManage Enterprise remediation is available for multiple security vulnerabilities that may be exploited by malicious users to compromise the affected system.

2026-11-08 10:24 UTC
Security Bulletin: IBM MQ is vulnerable to unauthenticated remote code ...

web:www.ibm.com

IBM MQ has addressed a JNDI injection vulnerability in the Jakarta Resource Adapter IVT servlet that could allow an unauthenticated remote attacker to execute ...

2026-11-08 10:24 UTC
The 8 Best Automated Vulnerability Remediation Tools in 2026

web:www.openhands.dev

Compare 8 automated vulnerability remediation tools for 2026 on fixes, prioritization, integrations, and deployment control.

2026-11-08 10:24 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-123551.json.

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