CVE-2026-0824: @questdb/web console Cross-Site Scripting Vulnerability

LOW
Advisory Identifier: GHSA-xf94-h87h-g9wr
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CVSS 3.5
CWE-79
Published
Advisory Summary

CVE-2026-0824 is a LOW (CVSS 3.5) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting @questdb/web console libraries in the npm ecosystem. The issue involves questdb ui's web console is vulnerable to cross-site scripting. Remediation is available by upgrading affected packages to version 1.1.10.

CVE-2026-0824 at a Glance

CVE Identifier CVE-2026-0824
GHSA Identifier GHSA-xf94-h87h-g9wr
Severity LOW
CVSS v3.1 Base Score 3.5
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product @questdb/web console
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 3.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2026-0824

To remediate this vulnerability, upgrade all affected @questdb/web console dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

@questdb/web-console fixed: 1.1.10 
npm install @questdb/web-console@1.1.10
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls @questdb/web-console

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2026-0824, inspect your project dependencies using npm:

npm ls @questdb/web-console

Analyze the terminal output to locate any version of @questdb/web console in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.1.10), your application is affected.

Note: The npm ls @questdb/web-console command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In @questdb/web console, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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 Affected @questdb/web console Versions

1 component(s)
Fixed Versions:
1.1.10
Product / Package Ecosystem Affected Versions Fixed Version
@questdb/web-console
npm/@questdb/web-console
npm
< 1.1.10
1.1.10

References

NVD — CVE-2026-0824 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0824
@questdb/web console Source Repository REPOSITORY
https://github.com/questdb/ui/pull/518
@questdb/web console Source Repository REPOSITORY
https://github.com/questdb/ui/pull/519#issue-3790862030
Security Fix Commit FIX COMMIT
https://github.com/questdb/ui/commit/b42fd9f18476d844ae181a10a249e003dafb823d
@questdb/web console Source Repository REPOSITORY
https://github.com/59lab/dbdb/blob/main/There%20is%20a%20cross-site%20scripting(XSS)%20vulnerability%20in%20the%20QuestDB%20database.md
@questdb/web console Release RELEASE
https://github.com/questdb/questdb/releases/tag/9.3.0
@questdb/web console Source Repository REPOSITORY
https://github.com/questdb/ui
vuldb.com/ WEB
https://vuldb.com/?ctiid.340357
vuldb.com/ WEB
https://vuldb.com/?id.340357
vuldb.com/ WEB
https://vuldb.com/?submit.733253

Frequently Asked Questions

What is CVE-2026-0824?
CVE-2026-0824 is a security vulnerability in @questdb/web console involving QuestDB UI's Web Console is Vulnerable to Cross-Site Scripting under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which @questdb/web console versions are affected?
Affected versions include releases prior to 1.1.10 across affected packages: @questdb/web-console.
What version fixes CVE-2026-0824?
Upgrading to 1.1.10 (or the latest patched release for your respective branch) resolves the vulnerability.
Is @questdb/web-console affected?
Yes, @questdb/web-console is affected in releases prior to 1.1.10. Upgrade your dependency to 1.1.10 or later.
What is the CVSS score of CVE-2026-0824?
CVE-2026-0824 has a CVSS v3.1 base score of 3.5 (LOW) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2026-0824?
CVE-2026-0824 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check npm dependencies for CVE-2026-0824?
Run the dependency tree command: 'npm ls @questdb/web-console'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-xf94-h87h-g9wr",
  "modified" : "2026-01-13T19:03:20Z",
  "published" : "2026-01-10T15:31:22Z",
  "aliases" : [ "CVE-2026-0824" ],
  "summary" : "QuestDB UI's Web Console is Vulnerable to Cross-Site Scripting",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "@questdb/web-console"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.1.10"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-0824"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/questdb/ui/pull/518"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/questdb/ui/pull/519#issue-3790862030"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/questdb/ui/commit/b42fd9f18476d844ae181a10a249e003dafb823d"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/59lab/dbdb/blob/main/There%20is%20a%20cross-site%20scripting(XSS)%20vulnerability%20in%20the%20QuestDB%20database.md"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/questdb/questdb/releases/tag/9.3.0"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/questdb/ui"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.340357"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.340357"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?submit.733253"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-01-13T19:03:20Z",
    "nvd_published_at" : "2026-01-10T15:15:50Z"
  }
}