CVE-2026-18715

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-08-13. 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: 0.4%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 a remote authenticated attacker to obtain sensitive information due to improper processing of XML external entities.

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
0.4%
EPSS %ILE
34th
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

August 13, 2026

Last Modified

August 17, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
No fix on record yet.
generic

Security Bulletin: IBM i is Affected By Multiple Vulnerabilities in WebSphere Application Server Liberty

https://www.ibm.com/support/pages/node/7283286

Vendor Advisories for CVE-2026-18715(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 11× in last 7d / 62× 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.

Showing the most recent 100 of 138 total refreshes for this CVE.

  1. 2026-10-09 20:06 UTCEPSS rescore
  2. 2026-10-08 17:11 UTCEPSS rescore
  3. 2026-10-07 23:47 UTCEPSS rescore
  4. 2026-10-06 15:17 UTCEPSS rescore
  5. 2026-10-06 09:26 UTCEG score recompute
  6. 2026-10-06 09:26 UTCGHSA enrichment
  7. 2026-10-05 17:42 UTCEPSS rescore
  8. 2026-10-04 23:21 UTCEPSS rescore
  9. 2026-10-04 22:15 UTCGHSA enrichment
  10. 2026-10-03 19:44 UTCEG score recompute
  11. 2026-10-03 19:44 UTCGHSA enrichment
  12. 2026-10-02 07:27 UTCEG score recompute
  13. 2026-10-02 07:27 UTCGHSA enrichment
  14. 2026-10-01 19:49 UTCEPSS rescore
  15. 2026-09-30 21:43 UTCEG score recompute
  16. 2026-09-30 21:43 UTCGHSA enrichment
  17. 2026-09-30 15:02 UTCEPSS rescore
  18. 2026-09-29 15:20 UTCEPSS rescore
  19. 2026-09-28 13:51 UTCEPSS rescore
  20. 2026-09-28 10:49 UTCEG score recompute
  21. 2026-09-28 10:49 UTCGHSA enrichment
  22. 2026-09-27 13:47 UTCEPSS rescore
  23. 2026-09-27 09:41 UTCEG score recompute
  24. 2026-09-27 09:40 UTCGHSA enrichment
  25. 2026-09-26 15:58 UTCEPSS rescore
Show 75 more
  1. 2026-09-25 11:57 UTCEG score recompute
  2. 2026-09-25 11:57 UTCGHSA enrichment
  3. 2026-09-24 09:40 UTCEG score recompute
  4. 2026-09-24 09:40 UTCGHSA enrichment
  5. 2026-09-23 08:32 UTCEG score recompute
  6. 2026-09-23 08:32 UTCGHSA enrichment
  7. 2026-09-22 07:23 UTCEG score recompute
  8. 2026-09-22 07:23 UTCGHSA enrichment
  9. 2026-09-21 06:16 UTCEG score recompute
  10. 2026-09-21 06:15 UTCGHSA enrichment
  11. 2026-09-20 03:29 UTCEG score recompute
  12. 2026-09-20 03:29 UTCGHSA enrichment
  13. 2026-09-19 02:21 UTCEG score recompute
  14. 2026-09-19 02:21 UTCGHSA enrichment
  15. 2026-09-18 19:27 UTCEPSS rescore
  16. 2026-09-18 01:00 UTCEG score recompute
  17. 2026-09-18 01:00 UTCGHSA enrichment
  18. 2026-09-16 23:52 UTCEG score recompute
  19. 2026-09-16 23:52 UTCGHSA enrichment
  20. 2026-09-16 14:07 UTCEPSS rescore
  21. 2026-09-16 05:14 UTCEPSS rescore
  22. 2026-09-15 12:09 UTCEG score recompute
  23. 2026-09-15 12:08 UTCGHSA enrichment
  24. 2026-09-14 10:45 UTCEG score recompute
  25. 2026-09-14 10:45 UTCGHSA enrichment
  26. 2026-09-13 16:46 UTCEPSS rescore
  27. 2026-09-13 09:38 UTCEG score recompute
  28. 2026-09-13 09:37 UTCGHSA enrichment
  29. 2026-09-12 15:00 UTCEPSS rescore
  30. 2026-09-12 08:30 UTCEG score recompute
  31. 2026-09-12 08:30 UTCGHSA enrichment
  32. 2026-09-11 14:52 UTCEPSS rescore
  33. 2026-09-11 09:36 UTCEPSS rescore
  34. 2026-09-11 07:22 UTCEG score recompute
  35. 2026-09-11 07:22 UTCGHSA enrichment
  36. 2026-09-10 09:34 UTCEPSS rescore
  37. 2026-09-10 06:13 UTCGHSA enrichment
  38. 2026-09-09 04:51 UTCEG score recompute
  39. 2026-09-09 04:51 UTCGHSA enrichment
  40. 2026-09-08 22:00 UTCEPSS rescore
  41. 2026-09-07 19:33 UTCEG score recompute
  42. 2026-09-07 19:33 UTCGHSA enrichment
  43. 2026-09-07 16:01 UTCEPSS rescore
  44. 2026-09-06 18:26 UTCEG score recompute
  45. 2026-09-06 18:26 UTCGHSA enrichment
  46. 2026-09-06 13:47 UTCEPSS rescore
  47. 2026-09-05 17:18 UTCEG score recompute
  48. 2026-09-05 17:18 UTCGHSA enrichment
  49. 2026-09-04 15:46 UTCEG score recompute
  50. 2026-09-04 15:46 UTCGHSA enrichment
  51. 2026-09-04 05:06 UTCEPSS rescore
  52. 2026-09-03 14:19 UTCEG score recompute
  53. 2026-09-03 14:19 UTCGHSA enrichment
  54. 2026-09-02 14:11 UTCEPSS rescore
  55. 2026-09-02 13:04 UTCEG score recompute
  56. 2026-09-02 13:04 UTCGHSA enrichment
  57. 2026-09-01 13:53 UTCEPSS rescore
  58. 2026-09-01 11:17 UTCEG score recompute
  59. 2026-09-01 11:17 UTCGHSA enrichment
  60. 2026-09-01 04:39 UTCEPSS rescore
  61. 2026-08-31 09:47 UTCEG score recompute
  62. 2026-08-31 09:46 UTCGHSA enrichment
  63. 2026-08-30 19:17 UTCEPSS rescore
  64. 2026-08-30 08:19 UTCEG score recompute
  65. 2026-08-30 08:19 UTCGHSA enrichment
  66. 2026-08-30 01:22 UTCEPSS rescore
  67. 2026-08-29 07:10 UTCEG score recompute
  68. 2026-08-29 07:10 UTCGHSA enrichment
  69. 2026-08-28 21:41 UTCEPSS rescore
  70. 2026-08-28 01:36 UTCEG score recompute
  71. 2026-08-28 01:36 UTCGHSA enrichment
  72. 2026-08-27 14:25 UTCEPSS rescore
  73. 2026-08-27 00:28 UTCEG score recompute
  74. 2026-08-27 00:28 UTCGHSA enrichment
  75. 2026-08-26 14:46 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-18715?
CVE-2026-18715 is a medium vulnerability published on August 13, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to improper processing of XML external entities.
When was CVE-2026-18715 disclosed?
CVE-2026-18715 was first published on August 13, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18715 actively exploited?
CVE-2026-18715 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (34th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18715?
CVE-2026-18715 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-2026-18715?
No fix for CVE-2026-18715 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-2026-18715 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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