Vulnerability details

CVE-2026-17301

IBM API Connect

Multiple Vulnerabilities in IBM API Connect

CVSS 3.1

9.8Critical

Official description

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow an unauthenticated attacker to bypass authentication due to improper verification of a cryptographic signature.

CVSS scores

Score	Version	Source	Vector
9.8Critical	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
IBM	API Connect	10.0.8.0 ≤ v ≤ 10.0.8.12	CVEProject cvelistV5 (CNA)
IBM	API Connect	12.1.0.0 ≤ v ≤ 12.1.1.2	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7295635 vendor-advisorypatch
https://www.ibm.com/support/pages/node/7295637 vendor-advisorypatch

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Details

Published: 2026-11-07
Last updated: 2026-11-07
State: Published
Assigner (CNA): ibm
Kolun priority: 24 · Low

Exploit prediction (EPSS)

0.43%

Probability of exploitation in 30 days

37.9%

Percentile (among all CVEs)

Weaknesses (CWE)

CWE-347
Improper Verification of Cryptographic Signature