Origin validation error in kitty
Priority HIGH 67CWE-346Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-346.
Summary
open_actions.py in kitty before 0.41.0 does not ask for user confirmation before running a local executable file that may have been linked from an untrusted document (e.g., a document opened in KDE ghostwriter).
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00192 8th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed kitty (kitty project): 0.41.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| kitty project | kitty | before 0.41.0 | 0.41.0 | Patch available | CNA |
- kitty Vendorkitty project Affected before 0.41.0 Fixed in 0.41.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kovidgoyal:kitty:*:*:*:*:*:*:*:* | before 0.41.0 | Vulnerable | kovidgoyal |
- cpe:2.3:a:kovidgoyal:kitty:*:*:*:*:*:*:*:* Versions before 0.41.0 Vulnerable ·kovidgoyal
Remediation
- Fix · CNA kitty (kitty project) Fixed in 0.41.0
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-43929
- 2026-10-03 Alias added: GHSA-cch3-2vm3-v73j
References
Patch 2
More kitty project vulnerabilities
- TI-2022-19818 In Kitty before 0.26.2, insufficient validation in the desktop notification escape… CVSS 3.1HIGH 7.8
Sources
- CVE-2025-43929 · CVE Program
- CVE-2025-43929 · NVD
- FIRST EPSS
- GHSA-cch3-2vm3-v73j · GitHub Advisory Database · CC BY 4.0
- CVE-2025-43929 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences