01 Record
CVE-2026-20688
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
CriticalPUBLISHEDCNA: apple
CNA base score9.3 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
02 Description
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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.28% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 20.8% of scored records. A rank, not a probability.
- NVD base score
- 9.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-03-25 00:31Z7 MO AGO
- Last updated
- 2026-04-02 18:09Z7 MO AGO
- Reserved
- 2025-11-11
- Assigning CNA
- apple
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.3)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
- Data version
- 5.2
- Document digest
- 6fc4324900dcdcf5d1e2736487d063b10d270a488563338d0332c6627c79716a
05 Affected products
VendorProductVersionsPlatforms
06 References
- support.apple.comhttps://support.apple.com/en-us/126792
- support.apple.comhttps://support.apple.com/en-us/126794
- support.apple.comhttps://support.apple.com/en-us/126795
- support.apple.comhttps://support.apple.com/en-us/126796
- support.apple.comhttps://support.apple.com/en-us/126799