8.6
HIGH CVSS 4.0
CVE-2026-126286
NocoDB before 2026.08.0 Reflected XSS via ncRedirectUrl in PageLeavingWarning.vue
Description

NocoDB before 2026.08.0 contains a reflected cross-site scripting vulnerability in PageLeavingWarning.vue that allows unauthenticated attackers to execute script by embedding an ASCII control character in the ncRedirectUrl scheme. Attackers can send a crafted link that bypasses the scheme check and reaches the anchor href or window.location, stealing the session token from localStorage for account takeover.

INFO

Published Date :

Nov. 13, 2026, 10:17 a.m.

Last Modified :

Nov. 13, 2026, 10:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-126286 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nocodb nocodb
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH MITRE-CVE
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update NocoDB to patch reflected XSS vulnerability in PageLeavingWarning.vue.
  • Update NocoDB to version 2026.08.0 or later.
  • Avoid clicking untrusted links.
  • Validate user input for scheme bypass.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-126286.

URL Resource
https://github.com/nocodb/nocodb/security/advisories/GHSA-x3wx-294c-4p48
https://www.vulncheck.com/advisories/nocodb-before-2026.08.0-reflected-xss-via-ncredirecturl-in-pageleavingwarning-vue
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-126286 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-126286 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-126286 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-126286 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 13, 2026

    Action Type Old Value New Value
    Added Description NocoDB before 2026.08.0 contains a reflected cross-site scripting vulnerability in PageLeavingWarning.vue that allows unauthenticated attackers to execute script by embedding an ASCII control character in the ncRedirectUrl scheme. Attackers can send a crafted link that bypasses the scheme check and reaches the anchor href or window.location, stealing the session token from localStorage for account takeover.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
    Added CWE CWE-79
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/126xxx/CVE-2026-126286.json">CVE-2026-126286</a>
    Added Reference https://github.com/nocodb/nocodb/security/advisories/GHSA-x3wx-294c-4p48
    Added Reference https://www.vulncheck.com/advisories/nocodb-before-2026.08.0-reflected-xss-via-ncredirecturl-in-pageleavingwarning-vue
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.