---
id: CVE-2019-25091
aliases:
  - GHSA-mwvp-qr62-cvjx
  - PYSEC-2026-885
title: nsupdate.info has Sensitive Cookie Without 'HttpOnly' Flag
summary: nsupdate.info has Sensitive Cookie Without 'HttpOnly' Flag
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
vendor: nsupdate
product: nsupdate
ecosystem: pip
affected:
  - nsupdate <= 0.12.0
published: '2022-12-28'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-mwvp-qr62-cvjx'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2019-25091'
  - url: 'https://github.com/nsupdate-info/nsupdate.info/pull/410'
  - url: >-
      https://github.com/nsupdate-info/nsupdate.info/commit/60a3fe559c453bc36b0ec3e5dd39c1303640a59a
  - url: 'https://github.com/nsupdate-info/nsupdate.info'
  - url: 'https://vuldb.com/?ctiid.216909'
  - url: 'https://vuldb.com/?id.216909'
tags:
  - osv
  - pip
epss: 0.00617
epssPercentile: 0.48232
ingestedAt: '2026-07-08T18:25:51.461Z'
---

## Overview

A vulnerability classified as problematic has been found in nsupdate.info. This affects an unknown part of the file `src/nsupdate/settings/base.py` of the component `CSRF Cookie Handler`. The manipulation of the argument `CSRF_COOKIE_HTTPONLY` leads to cookie without `httponly` flag. It is possible to initiate the attack remotely. The name of the patch is 60a3fe559c453bc36b0ec3e5dd39c1303640a59a. It is recommended to apply a patch to fix this issue. The identifier VDB-216909 was assigned to this vulnerability.

## Affected packages

- `nsupdate <= 0.12.0`

## Remediation

Refer to the advisory for the patched release.