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 11, 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 54× in last 7d / 89× 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. 2026-08-21 05:42 UTCGHSA enrichment
  2. 2026-08-21 01:33 UTCEG score recompute
  3. 2026-08-21 01:33 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 21:25 UTCGHSA enrichment
  6. 2026-08-20 17:17 UTCGHSA enrichment
  7. 2026-08-20 13:09 UTCGHSA enrichment
  8. 2026-08-20 08:53 UTCGHSA enrichment
  9. 2026-08-20 04:45 UTCGHSA enrichment
  10. 2026-08-20 00:36 UTCGHSA enrichment
  11. 2026-08-19 20:27 UTCEG score recompute
  12. 2026-08-19 20:27 UTCGHSA enrichment
  13. 2026-08-19 17:03 UTCEPSS rescore
  14. 2026-08-19 16:19 UTCGHSA enrichment
  15. 2026-08-19 12:02 UTCGHSA enrichment
  16. 2026-08-19 07:52 UTCGHSA enrichment
  17. 2026-08-19 03:43 UTCGHSA enrichment
  18. 2026-08-18 23:35 UTCGHSA enrichment
  19. 2026-08-18 19:26 UTCGHSA enrichment
  20. 2026-08-18 15:17 UTCEG score recompute
  21. 2026-08-18 15:17 UTCGHSA enrichment
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-18 10:05 UTCGHSA enrichment
  24. 2026-08-18 05:54 UTCGHSA enrichment
  25. 2026-08-18 01:46 UTCGHSA enrichment
Show 64 more
  1. 2026-08-17 21:36 UTCGHSA enrichment
  2. 2026-08-17 17:22 UTCEG score recompute
  3. 2026-08-17 17:22 UTCGHSA enrichment
  4. 2026-08-17 13:47 UTCEPSS rescore
  5. 2026-08-17 13:14 UTCGHSA enrichment
  6. 2026-08-17 09:06 UTCGHSA enrichment
  7. 2026-08-17 04:58 UTCGHSA enrichment
  8. 2026-08-17 00:49 UTCGHSA enrichment
  9. 2026-08-16 20:41 UTCGHSA enrichment
  10. 2026-08-16 16:33 UTCEG score recompute
  11. 2026-08-16 16:33 UTCGHSA enrichment
  12. 2026-08-16 14:56 UTCEPSS rescore
  13. 2026-08-16 12:25 UTCGHSA enrichment
  14. 2026-08-16 08:17 UTCGHSA enrichment
  15. 2026-08-16 04:09 UTCEG score recompute
  16. 2026-08-16 04:09 UTCGHSA enrichment
  17. 2026-08-16 02:14 UTCEPSS rescore
  18. 2026-08-16 00:01 UTCGHSA enrichment
  19. 2026-08-15 19:53 UTCGHSA enrichment
  20. 2026-08-15 15:45 UTCGHSA enrichment
  21. 2026-08-15 11:37 UTCGHSA enrichment
  22. 2026-08-15 07:29 UTCGHSA enrichment
  23. 2026-08-15 03:21 UTCEG score recompute
  24. 2026-08-15 03:21 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
  26. 2026-08-14 23:13 UTCGHSA enrichment
  27. 2026-08-14 19:05 UTCGHSA enrichment
  28. 2026-08-14 14:57 UTCGHSA enrichment
  29. 2026-08-14 10:49 UTCGHSA enrichment
  30. 2026-08-14 06:41 UTCGHSA enrichment
  31. 2026-08-14 02:32 UTCGHSA enrichment
  32. 2026-08-13 22:24 UTCEG score recompute
  33. 2026-08-13 22:24 UTCGHSA enrichment
  34. 2026-08-13 22:00 UTCEPSS rescore
  35. 2026-08-13 18:16 UTCGHSA enrichment
  36. 2026-08-13 14:08 UTCGHSA enrichment
  37. 2026-08-13 09:59 UTCGHSA enrichment
  38. 2026-08-13 05:52 UTCGHSA enrichment
  39. 2026-08-13 01:43 UTCGHSA enrichment
  40. 2026-08-12 21:35 UTCGHSA enrichment
  41. 2026-08-12 17:27 UTCEG score recompute
  42. 2026-08-12 17:27 UTCGHSA enrichment
  43. 2026-08-12 13:50 UTCEPSS rescore
  44. 2026-08-12 13:19 UTCGHSA enrichment
  45. 2026-08-12 09:10 UTCGHSA enrichment
  46. 2026-08-12 05:01 UTCGHSA enrichment
  47. 2026-08-12 00:53 UTCGHSA enrichment
  48. 2026-08-11 20:45 UTCGHSA enrichment
  49. 2026-08-11 16:37 UTCEG score recompute
  50. 2026-08-11 16:37 UTCGHSA enrichment
  51. 2026-08-11 16:07 UTCEG score recompute
  52. 2026-08-11 16:06 UTCGHSA enrichment
  53. 2026-08-11 13:42 UTCEPSS rescore
  54. 2026-08-11 12:40 UTCGHSA enrichment
  55. 2026-08-11 08:32 UTCGHSA enrichment
  56. 2026-08-11 04:23 UTCEG score recompute
  57. 2026-08-11 04:23 UTCGHSA enrichment
  58. 2026-08-11 04:08 UTCEG score recompute
  59. 2026-08-11 04:08 UTCGHSA enrichment
  60. 2026-08-11 02:40 UTCGHSA enrichment
  61. 2026-08-10 22:32 UTCGHSA enrichment
  62. 2026-08-10 18:24 UTCEG score recompute
  63. 2026-08-10 18:15 UTCEG score recompute
  64. 2026-08-10 18:14 UTCMITRE cvelistV5first tracked

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 11, 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 73.9% 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.

Dependency Blast Radius

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