CVE-2026-19307
Improper Authorization vulnerability affects IBM Sterling B2B Integrator and IBM Sterling File Gateway
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 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition could allow a remote authenticated attacker to access unauthorized pages due to improper authorization.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Improper Authorization vulnerability affects IBM Sterling B2B Integrator and IBM Sterling File Gateway
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 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition could allow a remote authenticated attacker to access unauthorized pages due to improper authorization.
- Record
CVE-2026-19307- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-285
- Updated
- 2026-11-08
EUVDEUVD-2026-119707
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 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition could allow a remote authenticated attacker to access unauthorized pages due to improper authorization.
- Record
EUVD-2026-119707- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-09
GitHub AdvisoriesGHSA-242w-rxq9-4gcp
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...
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 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition could allow a remote authenticated attacker to access unauthorized pages due to improper authorization.
- Record
GHSA-242w-rxq9-4gcp- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-285
- Updated
- 2026-11-08
NVD
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 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition could allow a remote authenticated attacker to access unauthorized pages due to improper authorization.
- Record
CVE-2026-19307- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-285
- Updated
- 2026-11-09
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-19307 is a medium vulnerability (CVSS 4.3) in Ibm Sterling B2b Integrator, published November 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.