# CVE-2023-28316: Security feature bypass in Rocket.Chat

> Attackers can retain access to compromised accounts after 2FA activation because existing sessions are not invalidated, requiring a patch to secure session management.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 May 2023
- **Updated:** 28 Jan 2025
- **Also known as:** GHSA-fm4w-5hqf-ch9w

## What is CVE-2023-28316?

CVE-2023-28316 is a critical vulnerability in Rocket.chat Rocket.chat, published on 9 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security vulnerability has been discovered in the implementation of 2FA on the rocket.chat platform, where other active sessions are not invalidated upon activating 2FA. This could potentially allow an attacker to maintain access to a compromised account even after 2FA is enabled.

Weakness: CWE-384 (Session Fixation)

## Which versions are affected by CVE-2023-28316?

It affects 1 product.


Products: Rocket.chat Rocket.chat.

## How do I fix CVE-2023-28316?

No fix has been published for CVE-2023-28316 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28316 being exploited?

There is no known exploitation of CVE-2023-28316 in the wild and no public exploit code.

## Other vulnerabilities in Rocket.chat Rocket.chat

- [CVE-2026-58066](https://insights.sbomify.com/CVE-2026-58066/): Auth bypass in Rocket.Chat (critical 9.8)
- [CVE-2026-29198](https://insights.sbomify.com/CVE-2026-29198/): SQL injection in Rocket.Chat (critical 9.8)
- [CVE-2022-44567](https://insights.sbomify.com/CVE-2022-44567/): Command injection in Rocket.chat - Electron Desktop (critical 9.8)
- [CVE-2021-22910](https://insights.sbomify.com/CVE-2021-22910/): Code injection in Rocket.Chat server (critical 9.8)
- [CVE-2021-22911](https://insights.sbomify.com/CVE-2021-22911/): Code injection in Rocket.Chat server (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28316 and fix it if it is affected.

What it is: CVE-2023-28316 is a critical vulnerability in Rocket.chat Rocket.chat, published on 9 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-28316 in the wild and no public exploit code.

Affected product: Rocket.chat Rocket.chat. 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-2023-28316/ (Markdown: https://insights.sbomify.com/CVE-2023-28316/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28316
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28316
- OSV: https://osv.dev/vulnerability/CVE-2023-28316

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28316/
Summaries are generated and may contain mistakes; the official description above is the record.