# CVE-2026-123551: OpenAM 14.0.0 before 16.1.4 Session Token Disclosure via Notification WebSocket


- **Severity:** Critical 10.0 (`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`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 8 Nov 2026
- **Updated:** 8 Nov 2026
- **Also known as:** GHSA-hv5h-fgcg-pwgf

## What is CVE-2026-123551?

CVE-2026-123551 is a critical vulnerability in OpenIdentityPlatform OpenAM, published on 8 Nov 2026. 

### Official 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.

Weakness: CWE-201 (Insertion of Sensitive Information Into Sent Data)

## Which versions are affected by CVE-2026-123551?


## How do I fix CVE-2026-123551?

No fix has been published for CVE-2026-123551 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-123551 being exploited?

There is no known exploitation of CVE-2026-123551 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-123551 and fix it if it is affected.

What it is: CVE-2026-123551 is a critical vulnerability in OpenIdentityPlatform OpenAM, published on 8 Nov 2026. 
Exploitation: There is no known exploitation of CVE-2026-123551 in the wild and no public exploit code.

Affected product: OpenIdentityPlatform OpenAM. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-123551/ (Markdown: https://insights.sbomify.com/CVE-2026-123551/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-123551
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-123551
- OSV: https://osv.dev/vulnerability/CVE-2026-123551

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-123551/
Summaries are generated and may contain mistakes; the official description above is the record.