CVE-2026-16308

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

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

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 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

A fix is available — apply it.

IBM Enterprise Build of Quarkus 3.27.1 through 3.27.4.SP2, and 3.33.1 through 3.33.2.SP2 Quarkus REST could allow a remote attacker to cause a denial of service due to unbounded accumulation of multipart MIME part-header bytes.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

July 30, 2026

Last Modified

July 30, 2026

Advisory Details (1)

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

Security Bulletin: IBM Enterprise Build of Quarkus is affected by a DoS vulnerability

https://www.ibm.com/support/pages/node/7281904

Vendor Advisories for CVE-2026-16308(8)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatresteasy-reactive-common-processor2026-08-12redhat
redhatrhbk-openshift-rhel9/rhbk-openshift-rhel92026-08-05redhat
redhatrhbk/keycloak-rhel9-operator:26.4-222026-08-05redhat
redhatrhbk/keycloak-rhel9-operator:26.6-112026-08-05redhat
redhatresteasy-reactive-client-processor2026-07-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 33× in last 7d / 133× 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 240 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-16308?
CVE-2026-16308 is a high vulnerability published on July 30, 2026. IBM Enterprise Build of Quarkus 3.27.1 through 3.27.4.SP2, and 3.33.1 through 3.33.2.SP2 Quarkus REST could allow a remote attacker to cause a denial of service due to unbounded accumulation of multipart MIME part-header bytes.
When was CVE-2026-16308 disclosed?
CVE-2026-16308 was first published in the National Vulnerability Database on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16308 actively exploited?
CVE-2026-16308 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 75.9% of all scored CVEs.
What is the CVSS score of CVE-2026-16308?
CVE-2026-16308 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-16308?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16308, 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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