CVE-2026-16626

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 74% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

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

Improper restriction of XML external entity reference vulnerability (unauthenticated) in Jaspersoft JasperReports Server.

This issue affects JasperReports Server: from 9.0.0 before HF-9 and from 10.0.0 before HF-10.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
57(Track)
EG Risk 57/100SSVC: 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
Severity93% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 31, 2026

References (1)

Vendor Advisories for CVE-2026-16626(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 39× in last 7d / 188× 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 281 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16626?
CVE-2026-16626 is a critical vulnerability published on August 10, 2026. Improper restriction of XML external entity reference vulnerability (unauthenticated) in Jaspersoft JasperReports Server. This issue affects JasperReports Server: from 9.0.0 before HF-9 and from 10.0.0 before HF-10.
When was CVE-2026-16626 disclosed?
CVE-2026-16626 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16626 actively exploited?
CVE-2026-16626 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 73.6% of all scored CVEs.
What is the CVSS score of CVE-2026-16626?
CVE-2026-16626 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-16626?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16626, 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.

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