CVE-2026-20688 json
A path handling issue was addressed with improved validation.
published 2026-03-25 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-15059
- cvss
- 9.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
A path handling issue was addressed with improved validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. An app may be able to break out of its sandbox.
Patch / fix
- Apple iOS and iPadOS 26.4
- Apple macOS 14.8.5, 15.7.5, 26.4
- Apple visionOS 26.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 7 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 9.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Apple iOS and iPadOS
- Apple macOS
- Apple visionOS
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
support.apple.com
/en-us/126792
release-notes, vendor-advisory
-
support.apple.com
/en-us/126794
release-notes, vendor-advisory
-
support.apple.com
/en-us/126795
release-notes, vendor-advisory
-
support.apple.com
/en-us/126796
release-notes, vendor-advisory
-
support.apple.com
/en-us/126799
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-20688
- NVD CVE-2026-20688
Fencer Vulns 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.