DEBIAN-CVE-2026-4786

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 13 Apr 2026, 22:16
Last modified:16 Jun 2026, 05:00

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
4.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Apr 2026, 22:16
Published
Vulnerability first disclosed
16 Jun 2026, 05:00
Last Modified
Vulnerability information updated

Description

Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.

CVSS Metrics

  • v4.0HIGHScore: 7CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/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

Affected Systems

  • debianjython

    all

  • debianpypy3

    all | < 7.3.22+dfsg-1

  • debianpython3.13

    all | < 3.13.14-1

  • debianpython3.14

    all | < 3.14.5-1

  • debianpython3.9

    all

References (1)