CVE-2026-39039CWE-79cross-site-scripting

CVE-2026-39039

Medium · published September 15, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
29.4
In the wild
Unconfirmed
What it is

In BharatMLStack up to and including v1.3.0, Trufflebox UI stores the JWT authentication token, full user object, and session ID in the browser's localStorage, which is fully accessible to any JavaScript running on the page.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00367 · 29.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-15T22:17Z
References (2)
https://github.com/Meesho/BharatMLStack · [email protected]https://github.com/wincr4ck/security-advisories/blob/main/bharatmlstack-cve-writeup.md · [email protected]
EPSS history
Timeline
  • 17 SEP 03:30Z
    EPSS moved — → 0%
    epss
  • 15 SEP 00:00Z
    In BharatMLStack up to and including v1.3.0, Trufflebox UI stores the JWT authentication token, full user object, and session ID in the browser's localStorage…
    cvelistv5