CVE-2026-78278

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-24. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

August 24, 2026

Last Modified

August 24, 2026

References (1)

Vendor Advisories for CVE-2026-78278(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 17× in last 7d / 78× 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. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 08:49 UTCEG score recompute
  3. 2026-09-20 08:49 UTCGHSA enrichment
  4. 2026-09-19 05:55 UTCEG score recompute
  5. 2026-09-19 05:55 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 05:29 UTCEG score recompute
  8. 2026-09-18 05:29 UTCGHSA enrichment
  9. 2026-09-17 05:03 UTCEG score recompute
  10. 2026-09-17 05:03 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-16 04:37 UTCGHSA enrichment
  14. 2026-09-15 04:10 UTCEG score recompute
  15. 2026-09-15 04:10 UTCGHSA enrichment
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 03:44 UTCEG score recompute
  19. 2026-09-14 03:44 UTCGHSA enrichment
  20. 2026-09-13 03:18 UTCEG score recompute
  21. 2026-09-13 03:18 UTCGHSA enrichment
  22. 2026-09-12 02:51 UTCEG score recompute
  23. 2026-09-12 02:51 UTCGHSA enrichment
  24. 2026-09-11 14:53 UTCEPSS rescore
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 53 more
  1. 2026-09-11 02:25 UTCEG score recompute
  2. 2026-09-11 02:25 UTCGHSA enrichment
  3. 2026-09-10 09:35 UTCEPSS rescore
  4. 2026-09-10 01:59 UTCGHSA enrichment
  5. 2026-09-09 01:33 UTCEG score recompute
  6. 2026-09-09 01:33 UTCGHSA enrichment
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-08 01:06 UTCEG score recompute
  9. 2026-09-08 01:06 UTCGHSA enrichment
  10. 2026-09-07 00:40 UTCEG score recompute
  11. 2026-09-07 00:40 UTCGHSA enrichment
  12. 2026-09-06 13:48 UTCEPSS rescore
  13. 2026-09-06 00:13 UTCEG score recompute
  14. 2026-09-06 00:13 UTCGHSA enrichment
  15. 2026-09-04 23:45 UTCEG score recompute
  16. 2026-09-04 23:45 UTCGHSA enrichment
  17. 2026-09-04 05:07 UTCEPSS rescore
  18. 2026-09-03 22:15 UTCGHSA enrichment
  19. 2026-09-02 21:06 UTCEG score recompute
  20. 2026-09-02 21:06 UTCGHSA enrichment
  21. 2026-09-02 14:12 UTCEPSS rescore
  22. 2026-09-01 20:39 UTCEG score recompute
  23. 2026-09-01 20:39 UTCGHSA enrichment
  24. 2026-09-01 13:54 UTCEPSS rescore
  25. 2026-09-01 04:40 UTCEPSS rescore
  26. 2026-09-01 04:40 UTCEPSS rescore
  27. 2026-08-31 20:13 UTCGHSA enrichment
  28. 2026-08-30 19:46 UTCEG score recompute
  29. 2026-08-30 19:46 UTCGHSA enrichment
  30. 2026-08-30 19:18 UTCEPSS rescore
  31. 2026-08-30 19:17 UTCEPSS rescore
  32. 2026-08-30 01:22 UTCEPSS rescore
  33. 2026-08-29 19:20 UTCEG score recompute
  34. 2026-08-29 19:19 UTCGHSA enrichment
  35. 2026-08-28 21:42 UTCEPSS rescore
  36. 2026-08-28 18:49 UTCGHSA enrichment
  37. 2026-08-27 18:14 UTCEG score recompute
  38. 2026-08-27 18:14 UTCGHSA enrichment
  39. 2026-08-27 14:25 UTCEPSS rescore
  40. 2026-08-26 17:49 UTCEG score recompute
  41. 2026-08-26 17:48 UTCGHSA enrichment
  42. 2026-08-26 14:47 UTCEPSS rescore
  43. 2026-08-25 17:11 UTCEG score recompute
  44. 2026-08-25 17:11 UTCGHSA enrichment
  45. 2026-08-25 13:49 UTCEPSS rescore
  46. 2026-08-24 16:45 UTCGHSA enrichment
  47. 2026-08-24 13:28 UTCEG score recompute
  48. 2026-08-24 13:28 UTCGHSA enrichment
  49. 2026-08-24 12:59 UTCEG score recompute
  50. 2026-08-24 12:59 UTCGHSA enrichment
  51. 2026-08-24 12:21 UTCEG score recompute
  52. 2026-08-24 11:48 UTCEG score recompute
  53. 2026-08-24 11:45 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-78278?
CVE-2026-78278 is a medium vulnerability published on August 24, 2026. Subscriber Insecure Direct Object References (IDOR) in Fluent Boards Pro <= 2.0.11 versions.
When was CVE-2026-78278 disclosed?
CVE-2026-78278 was first published in the National Vulnerability Database on August 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78278 actively exploited?
CVE-2026-78278 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 83.8% of all scored CVEs.
What is the CVSS score of CVE-2026-78278?
CVE-2026-78278 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-78278?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78278, 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

Explore the affected products and dependency analysis for CVE-2026-78278

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