How severe is CVE-2025-43929?

CVE-2025-43929 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-43929 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43929?

CVE-2025-43929 affects Kovidgoyal Kitty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43929?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43929 have an EU (EUVD) identifier?

Yes. CVE-2025-43929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14660.

When was CVE-2025-43929 published?

CVE-2025-43929 was published on 2025-04-20 and last updated on 2026-06-17.

CVE-2025-43929

CVE-2025-43929 is a medium-severity vulnerability in Kovidgoyal Kitty with a CVSS 3.x base score of 4.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-346.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14660
Weakness: CWE-346
Affected product: Kovidgoyal Kitty
Published: 2025-04-20
Last modified: 2026-06-17

Description

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).

Frequently asked questions

What is CVE-2025-43929?: 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).
How severe is CVE-2025-43929?: CVE-2025-43929 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-43929 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43929?: CVE-2025-43929 affects Kovidgoyal Kitty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43929?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43929 have an EU (EUVD) identifier?: Yes. CVE-2025-43929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14660.
When was CVE-2025-43929 published?: CVE-2025-43929 was published on 2025-04-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kovidgoyal:kitty:*:*:*:*:*:*:*:*

More vulnerabilities in Kovidgoyal Kitty

CVE-2026-33642 — Critical (CVSS 9.9): Kitty is a cross-platform GPU based terminal. In versions 0.46.2 and below, the handle_compose_command() function in…
CVE-2020-35605 — Critical (CVSS 9.8): The Graphics Protocol feature in graphics.c in kitty before 0.19.3 allows remote attackers to execute arbitrary code…
CVE-2026-42850 — High (CVSS 8.8): Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.0, it is possible to inject commands within the…
CVE-2026-54057 — High (CVSS 7.8): Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.3, kitty's OSC 21 (color-control) query reply…
CVE-2026-42851 — High (CVSS 7.8): Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.0, a program able to write bytes to a kitty…
CVE-2026-54056 — High (CVSS 7.6): Kitty is a cross-platform GPU based terminal. In versions 0.47.0 and 0.47.1, `kitten dnd` can allow a malicious remote…

All CVEs affecting Kovidgoyal Kitty →

Other CWE-346 vulnerabilities

CVE-2026-42901 — Critical (CVSS 10.0): Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-16375 — Critical (CVSS 9.8): Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2026-16358 — Critical (CVSS 9.8): Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2026-16349 — Critical (CVSS 9.8): Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR…
CVE-2023-49899 — Critical (CVSS 9.8): An unauthenticated remote attacker can execute any command on the affected device due to not correctly verifying the…
CVE-2026-6508 — Critical (CVSS 9.8): Origin Validation Error vulnerability in TUBITAK BILGEM Software Technologies Research Institute Liderahenk allows…

Browse all CWE-346 vulnerabilities →