CVE-2026-8338

CRITICALPre-NVD 9.29.2—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 78% 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
9.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.2Exploit: None knownExposed: 0

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

A Spring Security authentication and authorization bypass exists in Coverity Connect versions between 2023.6.0 and 2026.3.0. An unauthenticated malicious threat actor that can send a specially crafted HTTP request is able to bypass authentication and authorization controls on certain API endpoints to access data within Coverity.

CVSS v3
9.2
EG Score
9.2(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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
Severity92% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Aug 29, 2026
No patch confirmed yet.
generic

Black Duck Community

https://community.blackduck.com/s/article/Black-Duck-Product-Security-Advisory-CVE-2026-8338-Authentication-and-Authorization-Bypass

Vendor Advisories for CVE-2026-8338(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 42× in last 7d / 218× 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 237 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-8338?
CVE-2026-8338 is a critical vulnerability published on July 29, 2026. A Spring Security authentication and authorization bypass exists in Coverity Connect versions between 2023.6.0 and 2026.3.0. An unauthenticated malicious threat actor that can send a specially crafted HTTP request is able to bypass authentication and authorization controls on certain API endpoints…
When was CVE-2026-8338 disclosed?
CVE-2026-8338 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update 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-2026-8338 actively exploited?
CVE-2026-8338 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 77.9% of all scored CVEs.
What is the CVSS score of CVE-2026-8338?
CVE-2026-8338 has a CVSS v3 base score of 9.2 (NVD).
How do I remediate CVE-2026-8338?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8338, 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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