Nomad Caller ACL Token's Secret ID is Exposed to Sentinel

published 2023-07-19 3 y ago modified 2026-06-17 4 mo ago also GHSA-9jfx-84v9-2rr2 , GO-2024-2669 , EUVD-2023-2015

cvss: 3.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

HashiCorp Nomad Enterprise 1.2.11 up to 1.5.6, and 1.4.10 ACL policies using a block without a label generates unexpected results. Fixed in 1.6.0, 1.5.7, and 1.4.11.

Patch / fix

fixed in 1

go github.com/hashicorp/nomad 1.4.11, 1.5.7

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-17)

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.4	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
NVD	3.1	2.7	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
GitHub	3.1	3.4	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
go	github.com/hashicorp/nomad	>=1.2.11, <1.4.11 >=1.5.0, <1.5.7	1.4.11 1.5.7

Affected products

HashiCorp Nomad Enterprise

Classification

Weakness

CWE-201 Insertion of Sensitive Information Into Sent Data
CWE-668 Exposure of Resource to Wrong Sphere

References

discuss.hashicorp.com /t/hcsec-2023-21-nomad-caller-acl-tokens-secret-id-is-exposed-to-sentinel/56271
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2023-3299
advisory
github.com /hashicorp/nomad/issues/17907
web, report
github.com /hashicorp/nomad
package
pkg.go.dev /vuln/GO-2024-2669
web

Sources

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.

Summary