CVE-2026-4786

highpriority · track · 0EPSS 0.003 · 21 %ileCHDEEUFRRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.29% (21st) EPSS

CVSS 7.1 · high

Is it mine?

69 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No fix is available; mitigate or reduce exposure.

No fix availableLabX Standardmettler_toledo_psirt
This vulnerability will be fixed in the upcoming releases

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.7–7.1

v3.17.1highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondaryexploitability 1.6 · impact 5.5

v3.17.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondary · Mettler-Toledo PSIRT

v4.07highCVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.07highCVSS: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:Xsecondary · cna@python.org

v4.03.7lowCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-77USCWE-77USCWE-77USCWE-88USCWE-88US

affected products (69)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell Avamarall versionscert_bundDEcpe:/a:dell:avamar:-
Dell NetWorkerall versionscert_bundDEcpe:/a:dell:networker:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
IBM SPSSall versionscert_bundDEcpe:/a:ibm:spss:modeler
NetApp ActiveIQ Unified Managerall versionscert_bundDEcpe:/a:netapp:active_iq_unified_manager:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux Update Infrastructure 5.1all versionscert_bundDEcpe:/o:redhat:enterprise_linux:update_infrastructure_5.1
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Dell Secure Connect Gateway< 5.36.00.16cert_bundDE
Open Source Python≤ CPython <3.15.0cert_bundDE
Red Hat Enterprise Linux≤ Cryostat <4.2.0cert_bundDE
Python Software Foundation CPython0 → 3.10.21enisa_euvdEU
Python Software Foundation CPython3.11.0 → 3.11.16enisa_euvdEU
Python Software Foundation CPython3.12.0 → 3.12.14enisa_euvdEU
Python Software Foundation CPython3.13.0 → 3.13.14enisa_euvdEU

showing 20 of 69

advisories (10)

Vendor and ecosystem advisories describing this.

VDE-2026-088METTLER TOLEDO: LabX Standard and Enterprise Report on External Component Analysis - v21.42026-08-20csaf · mettler_toledo_psirtCH
The vulnerabilities found in LabX Standard versions 21.3.22 - 21.4.23 are CVE-2025-69419, CVE-2026-0915, CVE-2025-15467, CVE-2026-4800, CVE-2026-33186, CVE-2026-39821, CVE-2026-33671 and are fixed in LabX Standard v21.4.25. The vulnerabilities found in LabX Enterprise versions 21.3.22 - 21.4.23 are CVE-2026-4800, CVE-2026-33186, CVE-2026-39821, CVE-2026-33671 and are fixed in LabX Enterprise v21.4.25 All other vulnerabilities are to be fixed in the upcoming releases.
WID-SEC-W-2026-1087CPython: Mehrere SchwachstellenDeutsch2026-04-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Python ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um Daten zu manipulieren.
WID-SEC-W-2026-1666IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2026-05-25csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, und um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2026-2455Oracle Solaris Drittanbieterkomponenten: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in verschiedenen Komponenten von Drittanbietern in Oracle Solaris ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
BIT-libpython-2026-4786Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()2026-07-06vendor · osvUS
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.
BIT-python-2026-4786Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()2026-07-06vendor · osvUS
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.
BIT-python-min-2026-4786Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()2026-07-06vendor · osvUS
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.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
PSF-0000-CVE-2026-47862026-04-13vendor · osvUS
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.
PSF-2026-172026-04-13vendor · osvUS
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.

also known as (9)

Other names and identifiers for this entity.

CNNVD-202604-2493 cnnvd
EUVD-2026-22134 enisa_euvd
BDU:2026-09777 fstec_bdu
GHSA-cccx-m78h-m3xw enisa_euvd
BIT-libpython-2026-4786osv
BIT-python-2026-4786osv
BIT-python-min-2026-4786osv
PSF-0000-CVE-2026-4786osv
PSF-2026-17osv

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund mettler_toledo_psirt certfr NVD CVE.org MITRE

published 2026-04-13modified 2026-10-26

references (71)

External citations — patches, advisories, analysis.

scry

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