CVE-2026-11906

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-06-30. 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%CVSS: 6.5Exploit: None knownExposed: 0

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

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 2, 2026

Advisory Details (1)

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

Security Bulletin: IBM® Db2® federated server is vulnerable to a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns by autheticated user (CVE-2026-11906)

https://www.ibm.com/support/pages/node/7277423

Vendor Advisories for CVE-2026-11906(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 15× in last 7d / 73× 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 121 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-11906?
CVE-2026-11906 is a medium vulnerability published on June 30, 2026. IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in the data query logic of XMLTable-derived columns.
When was CVE-2026-11906 disclosed?
CVE-2026-11906 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11906 actively exploited?
CVE-2026-11906 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 65.2% of all scored CVEs.
What is the CVSS score of CVE-2026-11906?
CVE-2026-11906 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-11906?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11906, 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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