5.3

CVE-2026-19015: hashicorp consul

CVSS: 5.3v3.1MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-19015DEBIAN-CVE-2026-19015CGA-4hcv-g4wp-27qg
Published 07-08-2026Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2026-19015 is a medium (CVSS 5.3) vulnerability in hashicorp consul. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.40%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CGA-554C-R8PF-5M79

Timeline

  1. 07-08-2026
    PublishedVulnerability first disclosed.
  2. 10-08-2026
    Last modifiedVulnerability information updated.

Description

Consul Community Edition and Consul Enterprise 1.2.0 through 2.0.2 are vulnerable to an uncontrolled resource consumption issue in the Connect CA roots endpoint that may allow a remote caller to grow the agent's Connect CA roots cache without bound, defeating the operator's cache-disable configuration. This vulnerability, CVE-2026-19015, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

+0.11 pp

From 0.29% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.40%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard4 products
  • consul-1.22All versions (No fix recorded)
  • consul-2.0All versions (No fix recorded)
  • consul-fips-1.22All versions (No fix recorded)
  • consul-fips-2.0< 2.0.3-r0
Hashicorp2 products
Debian1 product
  • consulAll versions (No fix recorded)
Ubuntu1 product
  • consulAll versions (No fix recorded)

4 vendors · 8 products

References

7 links