CVE-2026-15970

mediumpriority · track · 0EPSS 0.002 · 11 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (11th) EPSS

CVSS 4.2 · medium

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · osv

EPSS · scored 2026-10-27

Consul Community Edition and Consul Enterprise 1.20.1 through 2.0.2 are vulnerable to an L7 intention authorization bypass when a service proxy is configured with a custom public listener. An authenticated mesh workload may reach HTTP paths that are blocked by a path-based deny intention. This vulnerability, CVE-2026-15970, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

cvss

Technical severity, 0–10. One row per scoring source.

4.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.2

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Nsecondary · security@hashicorp.comexploitability 1.6 · impact 2.5

v3.13.9lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-647US

affected products (3)

Products and version ranges known to be affected.

Hashicorp Consul1.20.1 → 2.0.3enisa_euvdEU
Hashicorp Consul Enterprise1.20.1 → 2.0.3enisa_euvdEU
Bitnami consul1.20.1 → 2.0.3osvUSpkg:bitnami/consul

advisories (1)

Vendor and ecosystem advisories describing this.

BIT-consul-2026-15970L7 intention authorization bypass via custom public listener2026-08-17vendor · osvUS
Consul Community Edition and Consul Enterprise 1.20.1 through 2.0.2 are vulnerable to an L7 intention authorization bypass when a service proxy is configured with a custom public listener. An authenticated mesh workload may reach HTTP paths that are blocked by a path-based deny intention. This vulnerability, CVE-2026-15970, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv NVD CVE.org MITRE

published 2026-08-07modified 2026-08-28

references (3)

External citations — patches, advisories, analysis.

scry

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