CVE-2026-3157Security Vulnerability in IBM Sterling B2B Integrator and IBM Sterling File Gateway due to information disclosure in mailbox UI
- 4.3MediumCVSS base score
- 0.30%Exploitation in 30 daysEPSS · top 77% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.5_2, 6.2.1.0 through 6.2.1.1_2, and 6.2.2.0 through 6.2.2.0_1 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.5_2, 6.2.1.0 through 6.2.1.1_2, and 6.2.2.0 through 6.2.2.0_1 is vulnerable to an information disclosure due to sensitive information being included in the source code comments of a mailbox component.
Timeline
ID reserved
By ibm
- 5 months later
· 5 months later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.30% · top 77% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
- affected 6.2.0.0 – ≤ 6.2.0.5_2
- affected 6.2.1.0 – ≤ 6.2.1.1_2
- affected 6.2.2.0 – ≤ 6.2.2.0_1
- affected 6.2.0.0 – ≤ 6.2.0.5_2
- affected 6.2.1.0 – ≤ 6.2.1.1_2
- affected 6.2.2.0 – ≤ 6.2.2.0_1
What to do
Solution: ProductVersionAPARRemediation & FixIBM Sterling B2B Integrator and IBM Sterling File Gateway6.2.0.0 - 6.2.0.5_2 IT48984 Apply B2Bi 6.2.0.6, 6.2.1.2, 6.2.2.1IBM Sterling B2B Integrator and IBM Sterling File Gateway6.2.1.0 - 6.2.1.1_2 IT48984 Apply B2Bi 6.2.1.2, 6.2.2.1IBM Sterling B2B Integrator and IBM Sterling File Gateway6.2.2.0 - 6.2.2.0_1 IT48984 Apply B2Bi 6.2.2.1 The IIM versions of 6.2.0.6, 6.2.1.2 and 6.2.2.1 are available on Fix Central http://www-933.ibm.com/support/fixcentral/swg/selectFixes . The container version of 6.2.0.6, 6.2.1.2 and 6.2.2.1 are available in IBM Entitled Registry.
References
References1
- https://www.ibm.com/support/pages/node/7280665 (opens in a new tab)vendor-advisorypatch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-50013 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-3157)Record last updated .