7.8

CVE-2026-91841: gnome networkmanager-vpnc CRLF Injection

CVSS: 7.8v3.1HighDeferred
AliasesUBUNTU-CVE-2026-91841DEBIAN-CVE-2026-91841
Published 25-09-2026Last modified 28-09-2026
Open JSON

Vulnerability summary

CVE-2026-91841 is a high (CVSS 7.8) CRLF Injection vulnerability in gnome networkmanager-vpnc. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-09-2026
    PublishedVulnerability first disclosed.
  2. 28-09-2026
    Last modifiedVulnerability information updated.

Description

A flaw was found in NetworkManager-vpnc, a VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by injecting a newline character into the CA-File path. This manipulation allows the user to execute arbitrary commands as the root user, leading to local privilege escalation.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

26-09-202619-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • network-manager-vpncAll versions (No fix recorded)
Gnome1 product
Ubuntu1 product
  • network-manager-vpncAll versions (No fix recorded)

3 vendors · 3 products

References

7 links