CVE-2026-18887

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-09-04. A secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 6.5Exploit: None knownExposed services: Not assessed

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

IBM i 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to obtain sensitive information in PASE. An attacker could exploit this vulnerability to access information about process they shouldn't be permitted to access.

CVSS v3
6.5
EG Score
6.5MEDIUMmedium confidence
EG Risk
29
EG Risk 29/100CISA SSVC

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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.3%
EPSS %ILE
18th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 4, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Sep 4, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i is Affected By Sensitive Information Exposure Vulnerability in PASE [CVE-2026-18887]

https://www.ibm.com/support/pages/node/7285940

Vendor Advisories for CVE-2026-18887(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 19× in last 7d / 77× 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. 2026-10-05 04:19 UTCEG score recompute
  2. 2026-10-05 04:19 UTCGHSA enrichment
  3. 2026-10-04 23:21 UTCEPSS rescore
  4. 2026-10-04 04:06 UTCEG score recompute
  5. 2026-10-04 04:06 UTCGHSA enrichment
  6. 2026-10-03 04:05 UTCEG score recompute
  7. 2026-10-03 04:05 UTCGHSA enrichment
  8. 2026-10-02 03:38 UTCEG score recompute
  9. 2026-10-02 03:37 UTCGHSA enrichment
  10. 2026-10-01 19:49 UTCEPSS rescore
  11. 2026-10-01 02:42 UTCEG score recompute
  12. 2026-10-01 02:42 UTCGHSA enrichment
  13. 2026-09-30 15:02 UTCEPSS rescore
  14. 2026-09-30 02:41 UTCEG score recompute
  15. 2026-09-30 02:41 UTCGHSA enrichment
  16. 2026-09-29 15:20 UTCEPSS rescore
  17. 2026-09-29 02:29 UTCEG score recompute
  18. 2026-09-29 02:29 UTCGHSA enrichment
  19. 2026-09-28 13:51 UTCEPSS rescore
  20. 2026-09-28 02:27 UTCEG score recompute
  21. 2026-09-28 02:27 UTCGHSA enrichment
  22. 2026-09-27 13:47 UTCEPSS rescore
  23. 2026-09-27 02:27 UTCEG score recompute
  24. 2026-09-27 02:27 UTCGHSA enrichment
  25. 2026-09-26 15:58 UTCEPSS rescore
Show 56 more
  1. 2026-09-26 02:25 UTCEG score recompute
  2. 2026-09-26 02:25 UTCGHSA enrichment
  3. 2026-09-25 00:08 UTCEG score recompute
  4. 2026-09-25 00:08 UTCGHSA enrichment
  5. 2026-09-24 00:05 UTCEG score recompute
  6. 2026-09-24 00:05 UTCGHSA enrichment
  7. 2026-09-23 00:03 UTCEG score recompute
  8. 2026-09-23 00:03 UTCGHSA enrichment
  9. 2026-09-22 00:02 UTCEG score recompute
  10. 2026-09-22 00:02 UTCGHSA enrichment
  11. 2026-09-21 00:01 UTCEG score recompute
  12. 2026-09-21 00:01 UTCGHSA enrichment
  13. 2026-09-20 00:00 UTCEG score recompute
  14. 2026-09-20 00:00 UTCGHSA enrichment
  15. 2026-09-18 23:58 UTCEG score recompute
  16. 2026-09-18 23:58 UTCGHSA enrichment
  17. 2026-09-18 19:27 UTCEPSS rescore
  18. 2026-09-17 23:58 UTCEG score recompute
  19. 2026-09-17 23:58 UTCGHSA enrichment
  20. 2026-09-16 23:57 UTCEG score recompute
  21. 2026-09-16 23:57 UTCGHSA enrichment
  22. 2026-09-16 14:07 UTCEPSS rescore
  23. 2026-09-16 05:14 UTCEPSS rescore
  24. 2026-09-15 23:56 UTCEG score recompute
  25. 2026-09-15 23:56 UTCGHSA enrichment
  26. 2026-09-14 23:55 UTCGHSA enrichment
  27. 2026-09-13 23:54 UTCEG score recompute
  28. 2026-09-13 23:54 UTCGHSA enrichment
  29. 2026-09-13 16:46 UTCEPSS rescore
  30. 2026-09-12 23:53 UTCEG score recompute
  31. 2026-09-12 23:53 UTCGHSA enrichment
  32. 2026-09-12 15:00 UTCEPSS rescore
  33. 2026-09-11 23:52 UTCEG score recompute
  34. 2026-09-11 23:52 UTCGHSA enrichment
  35. 2026-09-11 14:52 UTCEPSS rescore
  36. 2026-09-11 09:36 UTCEPSS rescore
  37. 2026-09-10 23:51 UTCEG score recompute
  38. 2026-09-10 23:50 UTCGHSA enrichment
  39. 2026-09-10 09:34 UTCEPSS rescore
  40. 2026-09-09 23:22 UTCEG score recompute
  41. 2026-09-09 23:22 UTCGHSA enrichment
  42. 2026-09-08 22:00 UTCEPSS rescore
  43. 2026-09-08 21:54 UTCGHSA enrichment
  44. 2026-09-08 15:15 UTCGHSA enrichment
  45. 2026-09-07 17:31 UTCEG score recompute
  46. 2026-09-07 17:31 UTCGHSA enrichment
  47. 2026-09-07 16:01 UTCEPSS rescore
  48. 2026-09-06 17:30 UTCEG score recompute
  49. 2026-09-06 17:30 UTCGHSA enrichment
  50. 2026-09-06 13:47 UTCEPSS rescore
  51. 2026-09-05 17:29 UTCEG score recompute
  52. 2026-09-05 17:29 UTCGHSA enrichment
  53. 2026-09-04 17:28 UTCEG score recompute
  54. 2026-09-04 16:55 UTCEG score recompute
  55. 2026-09-04 16:19 UTCEG score recompute
  56. 2026-09-04 16:19 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18887?
CVE-2026-18887 is a medium vulnerability published on September 4, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to obtain sensitive information in PASE. An attacker could exploit this vulnerability to access information about process they shouldn't be permitted to access.
When was CVE-2026-18887 disclosed?
CVE-2026-18887 was first published on September 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18887 actively exploited?
CVE-2026-18887 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (18th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18887?
CVE-2026-18887 has a CVSS base score of 6.5 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-18887?
No fix for CVE-2026-18887 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-18887 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-18887

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