# CVE-2026-125334: Forge: TLS client crash on a handshake record received without a session


- **Severity:** Medium 5.9 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Fix available:** Yes
- **Published:** 10 Nov 2026
- **Updated:** 10 Nov 2026
- **Also known as:** GHSA-j8rw-jp99-435v, MINI-75xj-cwmj-w7j9, MINI-77rp-9w93-rrg5, MINI-f754-8w47-fg7p, MINI-hxjg-94c2-px43, MINI-jg7x-q8g5-ff3w, MINI-rggx-hmh6-cxvc, UBUNTU-CVE-2026-125334

## What is CVE-2026-125334?

CVE-2026-125334 is a medium-severity vulnerability in digitalbazaar forge, published on 10 Nov 2026. 

### Official description

Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.3, a forge.tls client can pass a handshake record to tls.handleHandshake() while the connection has no session, including after a close_notify alert, after the application calls close(), or before handshake() is called. The handler dereferences c.session.md5 before dispatching the message, causing a TypeError to propagate from connection.process(). A malicious server or on-path attacker can deliver the record, including after a reset when the connection uses no encryption, and terminate a Node.js process if the application does not catch the exception. forge.tls servers are not affected, and there is no confidentiality or integrity impact. This issue is fixed in version 1.4.3.

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2026-125334?

1 open source package ship an affected version, including node-forge.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `node-forge` | npm | All versions | 1.4.3 |

## How do I fix CVE-2026-125334?

Upgrade node-forge to 1.4.3 or later.

## Is CVE-2026-125334 being exploited?

There is no known exploitation of CVE-2026-125334 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-125334 and fix it if it is affected.

What it is: CVE-2026-125334 is a medium-severity vulnerability in digitalbazaar forge, published on 10 Nov 2026. 
Exploitation: There is no known exploitation of CVE-2026-125334 in the wild and no public exploit code.

Affected packages and fixed versions:
- node-forge (npm): affected all versions; fixed in 1.4.3

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-2026-125334/ (Markdown: https://insights.sbomify.com/CVE-2026-125334/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-125334
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-125334
- OSV: https://osv.dev/vulnerability/CVE-2026-125334

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-125334/
Summaries are generated and may contain mistakes; the official description above is the record.