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VulnerabilityPublished

CVE-2026-17389: IBM API Connect · LDAP Injection

Affects IBM API ConnectSource CVE Database V5

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Not known to be exploited · CVSS 5.3 Medium.

Data as of 7 Nov 2026, 05:03 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (ibm)CVSS 3.15.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
IBMAPI ConnectAffected
  • >=12.1.0.0 <=12.1.1.2
  • >=10.0.8.0 <=10.0.8.12
Fixed in–

CPE configurations (4)

  • cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:api_connect:10.0.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:api_connect:10.0.8.12:*:*:*:*:*:*:*

AI-suggested

Until a fix is available, users should consider restricting access to the affected API Connect instances and carefully validate or sanitize inputs used in LDAP queries if possible.

Description

CVE-2026-17389 is an LDAP injection vulnerability in IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2. The flaw allows remote attackers to manipulate LDAP directory queries by injecting malicious input that is not properly neutralized. This can lead to unauthorized disclosure of sensitive information from the connected LDAP directory. The vulnerability has a medium severity rating with a CVSS score of 5.3.

References

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