Creation of Temporary File in Directory with Insecure Permissions
Priority HIGH 67CWE-668Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
The package com.github.samtools:htsjdk before 3.0.1 are vulnerable to Creation of Temporary File in Directory with Insecure Permissions due to the createTempDir() function in util/IOUtil.java not checking for the existence of the temporary directory before attempting to create it.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00753 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed com.github.samtools:htsjdk: 3.0.1com.github.samtools:htsjdk (Maven): 3.0.1
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 |
|---|---|---|---|---|---|
| — | com.github.samtools:htsjdk | before 3.0.1 | 3.0.1 | Patch available | CNA |
| — | com.github.samtools:htsjdk (Maven) | before 3.0.1 | 3.0.1 | Patch available | GHSA-96vh-4rfp-c42c |
- com.github.samtools:htsjdk Vendor— Affected before 3.0.1 Fixed in 3.0.1 Patch available CNA
- com.github.samtools:htsjdk (Maven) Vendor— Affected before 3.0.1 Fixed in 3.0.1 Patch available GHSA-96vh-4rfp-c42c
Remediation
- Fix · CNA com.github.samtools:htsjdk Fixed in 3.0.1
- Fix · GHSA-96vh-4rfp-c42c com.github.samtools:htsjdk (Maven) Fixed in 3.0.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-21126
- 2026-10-03 Alias added: GHSA-96vh-4rfp-c42c
References
Sources
- CVE-2022-21126 · CVE Program
- CVE-2022-21126 · NVD
- FIRST EPSS
- GHSA-96vh-4rfp-c42c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences