Low severity · published Jan 10, 2026
CVE-2026-0824
questdb ui Web Console cross site scripting
3.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UI
ui · questdb
1.11.0; 1.11.1; 1.11.2; 1.11.3; 1.11.4; 1.11.5; +4 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0824
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0824
github.com
https://github.com/59lab/dbdb/blob/main/There%20is%20a%20cross-site%20scripting(XSS)%20vulnerability%20in%20the%20QuestDB%20database.md
github.com
https://github.com/questdb/questdb/releases/tag/9.3.0
github.com
https://github.com/questdb/ui/
github.com
https://github.com/questdb/ui/commit/b42fd9f18476d844ae181a10a249e003dafb823d
github.com
https://github.com/questdb/ui/pull/518
github.com
https://github.com/questdb/ui/pull/519#issue-3790862030