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CVE-2026-18689VulnerabilityPublished

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 authenticated user to obtain

Source GCVE Database

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Authoritative record:CVE-2026-18689· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium.

Data as of 7 Nov 2026, 07:48 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (ibm)CVSS 3.14.3
CVSS:3.1/AV:N/AC:L/PR:L/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–
Mavencom.ibm/api_connectpkg:maven/com.ibm/api_connectOther threatsAffected
  • >=10.0.8.0 <=10.0.8.12
  • >=12.1.0.0 <=12.1.1.2
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is released, organizations should review and restrict token issuance and usage policies to minimize exposure. Monitor IBM advisories for updates and apply patches promptly once available.

Description

IBM API Connect versions 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 contain an authorization flaw that allows an authenticated user to obtain limited information about other organizations. This occurs because a token issued for a limited purpose is accepted where it should not be, potentially revealing organization names. The vulnerability has a medium severity rating with a CVSS score of 4.3.

References

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