CVE-2026-3157

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-07-28. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

July 28, 2026

Last Modified

August 3, 2026

Advisory Details (1)

Auto-updated Jul 28, 2026
No patch confirmed yet.
generic

Security Bulletin: Security Vulnerability in IBM Sterling B2B Integrator and IBM Sterling File Gateway due to information disclosure in mailbox UI (CVE-2026-3157)

https://www.ibm.com/support/pages/node/7280665

Vendor Advisories for CVE-2026-3157(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 86× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-25 17:38 UTCEG score recompute
  2. 2026-08-25 17:38 UTCGHSA enrichment
  3. 2026-08-25 13:49 UTCEPSS rescore
  4. 2026-08-24 19:18 UTCEG score recompute
  5. 2026-08-24 19:18 UTCGHSA enrichment
  6. 2026-08-23 21:13 UTCEG score recompute
  7. 2026-08-23 21:13 UTCGHSA enrichment
  8. 2026-08-23 00:19 UTCEPSS rescore
  9. 2026-08-22 23:09 UTCGHSA enrichment
  10. 2026-08-22 01:05 UTCEG score recompute
  11. 2026-08-22 01:05 UTCGHSA enrichment
  12. 2026-08-21 23:49 UTCEPSS rescore
  13. 2026-08-21 03:00 UTCGHSA enrichment
  14. 2026-08-20 04:56 UTCEG score recompute
  15. 2026-08-20 04:56 UTCGHSA enrichment
  16. 2026-08-19 17:03 UTCEPSS rescore
  17. 2026-08-19 06:51 UTCEG score recompute
  18. 2026-08-19 06:51 UTCGHSA enrichment
  19. 2026-08-18 13:48 UTCEPSS rescore
  20. 2026-08-18 08:47 UTCEG score recompute
  21. 2026-08-18 08:47 UTCGHSA enrichment
  22. 2026-08-17 13:47 UTCEPSS rescore
  23. 2026-08-17 10:10 UTCEG score recompute
  24. 2026-08-17 10:10 UTCGHSA enrichment
  25. 2026-08-16 14:56 UTCEPSS rescore
Show 61 more
  1. 2026-08-16 12:06 UTCEG score recompute
  2. 2026-08-16 12:06 UTCGHSA enrichment
  3. 2026-08-16 02:14 UTCEPSS rescore
  4. 2026-08-15 14:02 UTCEG score recompute
  5. 2026-08-15 14:02 UTCGHSA enrichment
  6. 2026-08-15 01:30 UTCEPSS rescore
  7. 2026-08-14 15:58 UTCEG score recompute
  8. 2026-08-14 15:58 UTCGHSA enrichment
  9. 2026-08-13 22:00 UTCEPSS rescore
  10. 2026-08-13 17:53 UTCGHSA enrichment
  11. 2026-08-12 19:44 UTCEG score recompute
  12. 2026-08-12 19:44 UTCGHSA enrichment
  13. 2026-08-12 13:51 UTCEPSS rescore
  14. 2026-08-11 21:40 UTCEG score recompute
  15. 2026-08-11 21:40 UTCGHSA enrichment
  16. 2026-08-11 13:43 UTCEPSS rescore
  17. 2026-08-11 00:00 UTCEPSS rescore
  18. 2026-08-10 23:36 UTCGHSA enrichment
  19. 2026-08-10 01:31 UTCEG score recompute
  20. 2026-08-10 01:31 UTCGHSA enrichment
  21. 2026-08-09 13:46 UTCEPSS rescore
  22. 2026-08-09 03:27 UTCEG score recompute
  23. 2026-08-09 03:27 UTCGHSA enrichment
  24. 2026-08-08 16:37 UTCEPSS rescore
  25. 2026-08-08 05:23 UTCEG score recompute
  26. 2026-08-08 05:23 UTCGHSA enrichment
  27. 2026-08-07 07:19 UTCEG score recompute
  28. 2026-08-07 07:18 UTCGHSA enrichment
  29. 2026-08-06 13:46 UTCEPSS rescore
  30. 2026-08-06 09:14 UTCEG score recompute
  31. 2026-08-06 09:14 UTCGHSA enrichment
  32. 2026-08-05 19:17 UTCEPSS rescore
  33. 2026-08-05 11:10 UTCEG score recompute
  34. 2026-08-05 11:10 UTCGHSA enrichment
  35. 2026-08-04 15:10 UTCEPSS rescore
  36. 2026-08-04 13:00 UTCEG score recompute
  37. 2026-08-04 13:00 UTCGHSA enrichment
  38. 2026-08-04 10:38 UTCEPSS rescore
  39. 2026-08-03 14:54 UTCEG score recompute
  40. 2026-08-03 14:54 UTCGHSA enrichment
  41. 2026-08-03 10:36 UTCEPSS rescore
  42. 2026-08-03 05:49 UTCGHSA enrichment
  43. 2026-08-02 07:45 UTCEG score recompute
  44. 2026-08-02 07:45 UTCGHSA enrichment
  45. 2026-08-02 02:27 UTCEPSS rescore
  46. 2026-08-01 09:40 UTCEG score recompute
  47. 2026-08-01 09:40 UTCGHSA enrichment
  48. 2026-08-01 04:16 UTCEPSS rescore
  49. 2026-07-31 11:35 UTCEG score recompute
  50. 2026-07-31 11:35 UTCGHSA enrichment
  51. 2026-07-30 16:28 UTCEPSS rescore
  52. 2026-07-30 13:29 UTCEG score recompute
  53. 2026-07-30 13:29 UTCGHSA enrichment
  54. 2026-07-30 01:30 UTCEPSS rescore
  55. 2026-07-29 15:24 UTCEG score recompute
  56. 2026-07-29 15:24 UTCGHSA enrichment
  57. 2026-07-29 14:49 UTCEG score recompute
  58. 2026-07-29 14:49 UTCGHSA enrichment
  59. 2026-07-28 20:26 UTCEG score recompute
  60. 2026-07-28 20:05 UTCEG score recompute
  61. 2026-07-28 20:02 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-3157?
CVE-2026-3157 is a medium vulnerability published on July 28, 2026. IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.52, 6.2.1.0 through 6.2.1.12, and 6.2.2.0 through 6.2.2.01 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.52, 6.2.1.0 through 6.2.1.12, and 6.2.2.0 through 6.2.2.01 is vulnerable to an information disclosure due to sensitive information being…
When was CVE-2026-3157 disclosed?
CVE-2026-3157 was first published in the National Vulnerability Database on July 28, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-3157 actively exploited?
CVE-2026-3157 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 87.8% of all scored CVEs.
What is the CVSS score of CVE-2026-3157?
CVE-2026-3157 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-3157?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3157, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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