CVE-2025-43294 json
An issue existed in the handling of environment variables.
published last yr. modified 22d ago also EUVD-2025-29276
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 26.1 and iPadOS 26.1, macOS Tahoe 26, tvOS 26.1, watchOS 26.1. An app may be able to access sensitive user data.
Patch / fix
- Apple iOS and iPadOS 26.1
- Apple macOS 26
- Apple tvOS 26.1
- Apple watchOS 26.1
Is CVE-2025-43294 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Apple iOS and iPadOS
- Apple macOS
- Apple tvOS
- Apple watchOS
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
Sources
- CVE List CVE-2025-43294
- NVD CVE-2025-43294
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.