# CVE-2026-105121: OpenAM before 16.1.3 Improper Authorization in Delegated Session-Destroy Realm Scoping

> Delegated administrators can forcibly log out users in any realm due to improper authorization checks, bypassing realm scoping restrictions.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Oct 2026
- **Updated:** 5 Oct 2026
- **Also known as:** GHSA-86x4-hjp8-8h99, GHSA-hmwh-9r8r-44gw

## What is CVE-2026-105121?

CVE-2026-105121 is a medium-severity missing authorization vulnerability in OpenIdentityPlatform OpenAM, published on 3 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

OpenAM before 16.1.3 contains an improper authorization vulnerability that allows delegated administrators to destroy sessions outside their realms because realm checks use the requester's realm. Authenticated accounts holding the iplanet-am-session-destroy-sessions attribute can supply a target session identifier or handle to forcibly log out users in any realm.

Weakness: CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2026-105121?


## How do I fix CVE-2026-105121?

No fix has been published for CVE-2026-105121 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-105121 being exploited?

There is no known exploitation of CVE-2026-105121 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-105121 and fix it if it is affected.

What it is: CVE-2026-105121 is a medium-severity missing authorization vulnerability in OpenIdentityPlatform OpenAM, published on 3 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-105121 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-2026-105121/ (Markdown: https://insights.sbomify.com/CVE-2026-105121/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-105121
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-105121
- OSV: https://osv.dev/vulnerability/CVE-2026-105121

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-105121/
Summaries are generated and may contain mistakes; the official description above is the record.