CVE-2026-11897

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-30. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 4, 2026

Advisory Details (1)

Auto-updated Jul 30, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability with HTTP/2 (CVE-2026-11897)

https://www.ibm.com/support/pages/node/7280695

Vendor Advisories for CVE-2026-11897(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 22× in last 7d / 110× 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 119 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-11897?
CVE-2026-11897 is a high vulnerability published on July 30, 2026. IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is vulnerable to a denial of service, caused by sending a specially crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.
When was CVE-2026-11897 disclosed?
CVE-2026-11897 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11897 actively exploited?
CVE-2026-11897 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 77.4% of all scored CVEs.
What is the CVSS score of CVE-2026-11897?
CVE-2026-11897 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-11897?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11897, 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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