9.8

CVE-2026-3144: IBM API Connect Default Credentials

Analyzed
Published 08-07-2026Last modified 09-07-2026

Vulnerability summary

CVE-2026-3144 is a critical (CVSS 9.8) Use of Default Credentials vulnerability in ibm api_connect. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 08-07-2026
    PublishedVulnerability first disclosed.
  2. 09-07-2026
    Last modifiedVulnerability information updated.

Description

IBM API Connect 12.1.0.0 through 12.1.0.3 uses default credentials which could allow an attacker to gain unauthorized access to the application before the system enforces a credential update.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.41% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm1 product
  • api_connect≥ 12.1.0.0, < 12.1.0.3 | ≥ 12.1.0.0, < 12.1.1.0

1 vendor · 1 product

References

1 links