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CVE-2026-19307VulnerabilityPublished

IBM Sterling B2B Integrator 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1, and IBM Sterling File Gateway

Source GCVE Database

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Authoritative record:CVE-2026-19307· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium.

Data as of 9 Nov 2026, 00:32 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 8 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 8 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
IBMSterling B2B IntegratorAffected
  • =6.2.1.0
Fixed in–
IBMSterling File GatewayAffected
  • =6.2.1.0
Fixed in–

AI-suggested

Until an official fix is available, restrict access to the affected applications to trusted users only and monitor for any unusual access patterns. Follow IBM's official advisories for updates and apply patches when released.

Description

IBM Sterling B2B Integrator versions 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1, as well as IBM Sterling File Gateway versions 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition, contain an improper authorization vulnerability. This flaw could allow a remote authenticated attacker to access unauthorized pages within the affected products.

References

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