CVE-2026-0824 questdb ui Web Console cross site scripting
Remote attackers can execute arbitrary scripts in the QuestDB Web Console, potentially compromising user sessions and data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-0824?
CVE-2026-0824 is a medium-severity cross-site scripting vulnerability in questdb ui, published on 10 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A security flaw has been discovered in questdb ui up to 1.11.9. Impacted is an unknown function of the component Web Console. The manipulation results in cross site scripting. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.1.10 is recommended to address this issue. The patch is identified as b42fd9f18476d844ae181a10a249e003dafb823d. You should upgrade the affected component. The vendor confirmed early that the fix "is going to be released as a part of QuestDB 9.3.0" as well.
Which versions are affected by CVE-2026-0824?
2 open source packages ship an affected version, including @questdb/web-console.
| Package | Affected | Fixed in |
|---|---|---|
@questdb/web-console npm | All versions | 1.1.10 |
@questdb/web-console npm | All versions | 1.1.10 |
How do I fix CVE-2026-0824?
Upgrade @questdb/web-console to 1.1.10 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-0824 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0824 exists.
Sources
Also known as GHSA-xf94-h87h-g9wr.