---
id: CVE-1999-0129
title: >-
  Sendmail allows local users to write to a file and gain group permissions via
  a .forward or :include: file.
summary: >-
  Sendmail allows local users to write to a file and gain group permissions via
  a .forward or :include: file.
severity: medium
cvss: 4.6
cvssVector: 'AV:L/AC:L/Au:N/C:P/I:P/A:P'
published: '1996-12-03'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0129'
references:
  - url: 'http://www.cert.org/advisories/CA-1996-25.html'
    label: cve@mitre.org
  - url: 'http://www.cert.org/advisories/CA-1996-25.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00563
epssPercentile: 0.45606
ingestedAt: '2026-06-22T15:59:08.132Z'
---

## Overview

Sendmail allows local users to write to a file and gain group permissions via a .forward or :include: file.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.