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VulnerabilityPublished

CVE-2026-19273: IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.6_2

Source GCVE Database

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Authoritative record:CVE-2026-19273· Medium 5.4

Not known to be exploited · CVSS 5.4 Medium.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
5.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Sep 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 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
IBMSterling B2B IntegratorAffected
  • =6.2.0.0
Fixed in–
IBMSterling File GatewayAffected
  • =6.2.0.0
Fixed in–
Mavencom.ibm/sterling-b2b-integratorpkg:maven/com.ibm/sterling-b2b-integratorOther threatsAffected
  • =6.2.0.0
  • <=6.2.0.6_2
  • >=6.2.1.0 <=6.2.1.2
  • >=6.2.2.0 <=6.2.2.1
Fixed in–
Mavencom.ibm/sterling-file-gatewaypkg:maven/com.ibm/sterling-file-gatewayOther threatsAffected
  • =6.2.0.0
  • <=6.2.0.6_2
  • >=6.2.1.0 <=6.2.1.2
  • >=6.2.2.0 <=6.2.2.1
Fixed in–

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

AI-suggested

Users should monitor IBM's official security advisories for updates and apply patches once available.

Description

IBM Sterling B2B Integrator and IBM Sterling File Gateway versions 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 through 6.2.1.2, and 6.2.2.0 through 6.2.2.1 Standard Edition contain a vulnerability that allows a remote authenticated attacker to bypass security restrictions due to improper authentication. This vulnerability has a medium severity rating with a CVSS score of 5.4.

References

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