CVE-2026-123549

Description

OpenAM before 16.1.4 fails to enforce the Valid Creation Attributes list during self-registration, allowing anonymous attackers to set restricted attributes including group membership. Attackers can register through the legacy self-service REST endpoint or User Self-Service flow to join administrative groups and gain full administrative control of OpenAM.

Overview

State: PUBLISHED
Assigner (CNA): VulnCheck
CVSS severity: CRITICAL
CVSS score: 9.3 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Effective score: 9.3 / 10 CRITICAL source: CNA overview
CWE(s): CWE-269
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-2026-123549.json
Linked Threat: CVE-2026-123549 — OpenAM before 16.1.4 Privilege Escalation via Self-Registration Attribute Bypass

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-2026-119434

EUVD enrichment is queued; refresh the page in a few seconds.

Affected products (1)

Vendor	Product	Versions	Platforms
OpenIdentityPlatform	OpenAM	`0` (affected), `16.1.4` (unaffected)	—

Vendor references (2)

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

GitHub Security Advisory (GHSA-jv8f-m88g-h6mm) vendor-advisory
VulnCheck Advisory: OpenAM before 16.1.4 Privilege Escalation via Self-Registration Attribute Bypass 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-jv8f-m88g-h6mm) vendor-advisory
VulnCheck Advisory: OpenAM before 16.1.4 Privilege Escalation via Self-Registration Attribute Bypass 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.

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 10:25 UTC
CVE-2026-123549: OpenAM Improper Privilege Management | CVETodo

web:cvetodo.com

CVE-2026-123549 is a CVSS 9.8 Improper Privilege Management vulnerability in OpenAM. See exploitation status, patch guidance, and technical details.

2026-11-08 10:25 UTC
October 2026 Node.js vulnerabilities: Azure DevOps security guidance

web:devblogs.microsoft.com

On October 21, 2026 , the Node.js project released fixes for 10 vulnerabilities. These include flaws in DNS resolution and TLS certificate validation,

2026-11-08 10:25 UTC
Security Advisory Ivanti Connect Secure (CVE-2026-104935)

web:hub.ivanti.com

At the time of discovery of exploitation, Ivanti had a fix developed for CVE - 2026 -104935 which was already in QA for supported versions, and we made the decision to not delay getting a fix to customers that resolved the primary exploitation path when the LPE was discovered. Because of this, our focus was initially centered on the disclosure of CVE - 2026 -104935 and providing protection for our ...

2026-11-08 10:25 UTC
CVE-2026-123549: OpenAM · Improper Privilege Management | Threat Radar

web:radar.offseq.com

OpenAM versions prior to 16.1.4 contain a privilege management vulnerability that allows anonymous attackers to bypass attribute restrictions during…

2026-11-08 10:25 UTC
Portal for ArcGIS Security 2026 Update 3 Patch - Esri Support

web:support.esri.com

This patch deals specifically with the issues listed below under Issues Addressed with this Patch . As part of the patch installation, the Portal for ArcGIS service is stopped and restarted. The restart may take several minutes depending on the number of items on the enterprise deployment. As a best practice, clear the browser cache and re-launch the browser after installing the patch . This ...

2026-11-08 10:25 UTC
[Security Advisory] September 2026 CVE Advisory Notification

web:support.servicenow.com

What you need to know: On September 24, 2026 , ServiceNow issued CVE - 2026 -86857, CVE - 2026 -86858, CVE - 2026 -13016, CVE - 2026 -86859, and CVE - 2026 -86860. Each of these security issues was identified through internal security testing, customer security assessments, or reports submitted through ServiceNow's responsible disclosure and bug bounty programs and was remediated independently. For security ...

2026-11-08 10:25 UTC
CVE-2026-123549 - OpenAM Self-Registration Vulnerability…

web:vulmon.com

Vulnerability Summary OpenAM versions prior to 16.1.4 permit anonymous attackers to set restricted attributes, such as group membership, during self-registration. This bypasses the Valid Creation Attributes list. Attackers can exploit this by registering via the legacy self-service REST endpoint or User Self-Service flow. Successful exploitation allows attackers to join administrative groups ...

2026-11-08 10:25 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 10:25 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 10:25 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-123549.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:maven/org.openidentityplatform.openam/openam-core-rest",
          "product": "OpenAM",
          "vendor": "OpenIdentityPlatform",
          "versions": [
            {
              "lessThan": "16.1.4",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "16.1.4",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
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      ],
      "datePublic": "2026-10-22T00:00:00.000Z",
      "descriptions": [
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        }
      ],
      "metrics": [
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            "subConfidentialityImpact": "NONE",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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      "problemTypes": [
        {
          "descriptions": [
            {
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      "providerMetadata": {
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          "url": "https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-jv8f-m88g-h6mm"
        },
        {
          "name": "VulnCheck Advisory: OpenAM before 16.1.4 Privilege Escalation via Self-Registration Attribute Bypass",
          "tags": [
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          ],
          "url": "https://www.vulncheck.com/advisories/openam-before-16.1.4-privilege-escalation-via-self-registration-attribute-bypass"
        }
      ],
      "title": "OpenAM before 16.1.4 Privilege Escalation via Self-Registration Attribute Bypass",
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  "cveMetadata": {
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    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-123549",
    "datePublished": "2026-11-08T01:37:53.496Z",
    "dateReserved": "2026-11-06T00:49:30.576Z",
    "dateUpdated": "2026-11-08T01:37:53.496Z",
    "state": "PUBLISHED"
  },
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}