# CVE-2026-3321: Authorization Bypass in ON24 Q&A chat

> Unauthenticated attackers can bypass authorization to enumerate event IDs and access sensitive Q&A history, potentially aiding further attacks.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Mar 2026
- **Updated:** 30 Mar 2026
- **Also known as:** GHSA-pm7w-jqp9-2c3m

## What is CVE-2026-3321?

CVE-2026-3321 is a high-severity missing authorization vulnerability in ON24 Q&A chat, published on 30 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability of authorization bypass through user-controlled key in the 'console-survey/api/v1/answer/{EVENTID}/{TIMESTAMP}/' endpoint. Exploiting this vulnerability would allow an unauthenticated attacker to enumerate event IDs and obtain the complete Q&A history. This publicly exposed data may include IDs, private URLs, private messages, internal references, or other sensitive information that should only be exposed to authenticated users. In addition, the leaked content could be exploited to facilitate other malicious activities, such as reconnaissance for lateral movement, exploitation of related systems, or unauthorised access to internal applications referenced in the content of chat messages.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2026-3321?


## How do I fix CVE-2026-3321?

No fix has been published for CVE-2026-3321 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3321 being exploited?

There is no known exploitation of CVE-2026-3321 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3321 and fix it if it is affected.

What it is: CVE-2026-3321 is a high-severity missing authorization vulnerability in ON24 Q&A chat, published on 30 Mar 2026. 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-2026-3321 in the wild and no public exploit code.

Affected product: ON24 Q&A 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-2026-3321/ (Markdown: https://insights.sbomify.com/CVE-2026-3321/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3321
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3321
- OSV: https://osv.dev/vulnerability/CVE-2026-3321

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-3321/
Summaries are generated and may contain mistakes; the official description above is the record.