The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to…
Priority LOW 36CWE-732Published · 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
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The arq_updater binary in Arq 5.10 and earlier for Mac allows local users to write to arbitrary files and consequently gain root privileges via a crafted update URL, as demonstrated by file:///tmp/blah/Arq.zip.
Why it matters now
EPSS 0.0099 62nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:haystacksoftware:arq:*:*:*:*:*:*:*:* | up to 5.10 | Vulnerable | Haystacksoftware |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
- cpe:2.3:a:haystacksoftware:arq:*:*:*:*:*:*:*:* Versions up to 5.10 Vulnerable ·Haystacksoftware
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16928
- 2026-10-03 Alias added: GHSA-5xhf-rj7x-hqqx
References
More Haystacksoftware Arq vulnerabilities
- TI-2017-12479 The standardrestorer binary in Arq 5.10 and earlier for Mac allows local users to write… CVSS 3.0HIGH 7.8
Sources
- CVE-2017-16928 · CVE Program
- CVE-2017-16928 · NVD
- FIRST EPSS
- GHSA-5xhf-rj7x-hqqx · 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