5.3

CVE-2026-19113: hashicorp consul Uncontrolled Resource Consumption

CVSS: 5.3v3.1MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-19113DEBIAN-CVE-2026-19113CGA-9g7x-qm9h-vr94
Published 07-08-2026Last modified 10-08-2026
Open JSON

Vulnerability summary

CVE-2026-19113 is a medium (CVSS 5.3) Uncontrolled Resource Consumption 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-P7C4-F2PH-2H9R

Timeline

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

Description

Consul Community Edition and Consul Enterprise 1.3.0 through 2.0.2 are vulnerable to an unauthenticated denial of service in several agent HTTP API endpoints. A remote caller could cause the agent to consume substantial memory before the request was rejected. This vulnerability, CVE-2026-19113, 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-2.0< 2.0.4-r0
  • 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