Gnome-shell: screenshot tool allows viewing open windows when session is locked
Priority LOW 25CWE-862Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00302 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed gnome-shell: 43.9, 44.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | gnome-shell | all versions; 43.0 to before 43.9; 44.0 to before 44.5 | 43.9, 44.5 | Patch available | CNA |
- gnome-shell Vendor— Affected all versions; 43.0 to before 43.9; 44.0 to before 44.5 Fixed in 43.9, 44.5 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* | 43 to before 43.9; 44 to before 44.5 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gnome-shell:42:*:*:*:*:*:*:* | 42 | Vulnerable | GNOME |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
- cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:* Versions 43 to before 43.9; 44 to before 44.5 Vulnerable ·GNOME
- cpe:2.3:a:gnome:gnome-shell:42:*:*:*:*:*:*:* Versions 42 Vulnerable ·GNOME
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
Remediation
- Fix · CNA gnome-shell Fixed in 43.9, 44.5
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-43090
- 2026-10-03 Alias added: GHSA-6wp3-hhxh-4vfp
References
Sources
- CVE-2023-43090 · CVE Program
- CVE-2023-43090 · NVD
- FIRST EPSS
- GHSA-6wp3-hhxh-4vfp · GitHub Advisory Database · CC BY 4.0
- CVE-2023-43090 · Red Hat security data · CC BY 4.0
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