5.3

CVE-2026-19012: hashicorp consul NULL Pointer Dereference

CVSS: 5.3v3.1MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-19012DEBIAN-CVE-2026-19012CGA-55qh-9gc9-cgmg
Published 07-08-2026Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2026-19012 is a medium (CVSS 5.3) NULL Pointer Dereference vulnerability in hashicorp consul. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.3% 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
0.33%
0%100%
Low · +0.08 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-R842-5HMW-GM2P

Timeline

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

Description

Consul Community Edition and Consul Enterprise 1.18.0 through 2.0.2 are vulnerable to an authenticated denial of service in the Enterprise-to-Community Edition downgrade path that may allow an authorized caller to crash the Consul server. A caller with config-entry write permission can submit a service-router configuration entry that causes the agent to exit unexpectedly. This vulnerability, CVE-2026-19012, 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

0.33%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.08 pp

From 0.24% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.33%

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