CVE-2026-19273: IBM Sterling B2B Integrator · Improper Authentication
Affects IBM Sterling B2B IntegratorSource CVE Database V5
Not known to be exploited · CVSS 5.4 Medium.
Data as of 29 Oct 2026, 19:04 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| IBMSterling B2B Integrator | Affected
| Fixed in– |
| IBMSterling File Gateway | Affected
| Fixed in– |
Mavencom.ibm/sterling-b2b-integratorpkg:maven/com.ibm/sterling-b2b-integratorOther threats | Affected
| Fixed in– |
Mavencom.ibm/sterling-file-gatewaypkg:maven/com.ibm/sterling-file-gatewayOther threats | Affected
| Fixed in– |
CPE configurations (4)
cpe:2.3:a:ibm:sterling_b2b_integrator:6.2.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:sterling_b2b_integrator:6.2.0.6_2:*:*:*:*:*:*:*cpe:2.3:a:ibm:sterling_file_gateway:6.2.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:sterling_file_gateway:6.2.0.6_2:*:*:*:*:*:*:*
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 available, restrict access to trusted users and consider additional authentication controls to mitigate risk.
Description
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, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 Standard Edition could allow a remote authenticated attacker to bypass security restrictions due to improper authentication.