CVE-2026-105765: HashiCorp Consul · Missing Authorization
Affects HashiCorp ConsulSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 2.1.0 soon.
Data as of 26 Oct 2026, 17:57 UTC
- Patch
- Available – fixed in 2.1.0, 1.21.19
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Consul and Consul Enterprise to 2.1.0; Consul Enterprise to 1.21.19.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| HashiCorpConsul | Affected
| Fixed in
|
| HashiCorpConsul Enterprise | Affected
| Fixed in
|
GitHubConsulpkg:github/ConsulOther threats | Affected
| Fixed in
|
GitHubConsul Enterprisepkg:github/Consul EnterpriseOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability (CVE-2026-105765) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.