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.
CVE-2026-0824
This low-severity CVE scores 3.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 85% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.5
- EG Score
- 3.5(medium)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity35% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 15%
- KEV
- Not listed
Published
January 10, 2026
Last Modified
June 17, 2026
References (9)
- cna@vuldbhttps://github.com/59lab/dbdb/blob/main/There%20is%20a%20cross-site%20scripting(XSS)%20vulnerability%20in%20the%20QuestDB%20database.md
- cna@vuldbhttps://github.com/questdb/questdb/releases/tag/9.3.0
- cna@vuldbhttps://github.com/questdb/ui/
- cna@vuldbhttps://github.com/questdb/ui/commit/b42fd9f18476d844ae181a10a249e003dafb823d
- cna@vuldbhttps://github.com/questdb/ui/pull/518
- cna@vuldbhttps://github.com/questdb/ui/pull/519#issue-3790862030
- cna@vuldbhttps://vuldb.com/?ctiid.340357
- cna@vuldbhttps://vuldb.com/?id.340357
- cna@vuldbhttps://vuldb.com/?submit.733253
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| @questdb/web-console | — | 1.1.10 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 38× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 106 total refreshes for this CVE.
- 2026-07-27 14:13 UTCEPSS rescore
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Related CVEs(same CWE)
Same CWE
10 shownCWE-94
Frequently asked(5)
What is CVE-2026-0824?
When was CVE-2026-0824 disclosed?
Is CVE-2026-0824 actively exploited?
What is the CVSS score of CVE-2026-0824?
How do I remediate CVE-2026-0824?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-0824
Is Your Infrastructure Affected by CVE-2026-0824?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.