CVE-2026-8052 json
Nomad's exec2 task driver vulnerable to arbitrary file read/write on client host through symlink attack
published 2026-05-12 5 mo ago modified 2026-10-26 13 d ago also GHSA-wqwc-x3rc-2xw6 , GO-2026-5718 , EUVD-2026-29827
- cvss
- 6.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 2%
- public exploits
- 0
- none known
Summary
HashiCorp Nomad’s exec2 task driver prior to 0.1.2 is vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-8052) is fixed in version 0.1.2 of the exec2 task driver.
Patch / fix
- go github.com/hashicorp/nomad-driver-exec2 0.1.2
- HashiCorp Shared library 0.1.2
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
opensuse advisories openSUSE-SU-2026:21483-1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N |
| GitHub | 3.1 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/hashicorp/nomad-driver-exec2 | <0.1.2 |
0.1.2 |
Affected products
- HashiCorp Shared library
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
discuss.hashicorp.com
/t/hcsec-2026-13-nomads-exec2-task-driver-vulnerable-to-arbitrary-file-read-write-on-client-host-through-symli
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-8052
advisory
-
github.com
/hashicorp/nomad-driver-exec2
package
-
github.com
/hashicorp/nomad-driver-exec2/releases/tag/v0.1.2
web
-
github.com
/advisories/GHSA-wqwc-x3rc-2xw6
advisory
Sources
- CVE List CVE-2026-8052
- GitHub Advisory GHSA-wqwc-x3rc-2xw6
- NVD CVE-2026-8052
- OSV GO-2026-5718
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.