CVE-2026-56581

LOWPre-NVD 2.62.6—
EchelonGraph scoreMEDIUM confidence

Score 2.6 from GitHub Security Advisory (severity: LOW) published 2026-07-21. a secondary CVSS source baseline 2.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
2.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 2.6Exploit: None knownExposed: 0

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

HCL MyCloud was affected with Cookie Attribute Path Not Set. It may increase the risk of unauthorized access to session data or authentication tokens.

CVSS v3
2.6
EG Score
2.6(medium)
EG Risk
12(Track)
EG Risk 12/100SSVC: 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
Severity26% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

July 21, 2026

Last Modified

August 3, 2026

References (1)

Vendor Advisories for CVE-2026-56581(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 10× in last 7d / 41× 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. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-17 19:31 UTCEPSS rescore
  3. 2026-09-17 05:06 UTCEG score recompute
  4. 2026-09-17 05:06 UTCGHSA enrichment
  5. 2026-09-16 14:08 UTCEPSS rescore
  6. 2026-09-16 05:15 UTCEPSS rescore
  7. 2026-09-15 03:11 UTCEPSS rescore
  8. 2026-09-14 03:04 UTCEG score recompute
  9. 2026-09-14 03:04 UTCGHSA enrichment
  10. 2026-09-13 16:47 UTCEPSS rescore
  11. 2026-09-11 14:53 UTCEPSS rescore
  12. 2026-09-11 09:03 UTCEG score recompute
  13. 2026-09-11 09:03 UTCGHSA enrichment
  14. 2026-09-10 09:35 UTCEPSS rescore
  15. 2026-09-08 22:01 UTCEPSS rescore
  16. 2026-09-08 02:52 UTCEG score recompute
  17. 2026-09-08 02:51 UTCGHSA enrichment
  18. 2026-09-07 16:01 UTCEPSS rescore
  19. 2026-09-06 13:47 UTCEPSS rescore
  20. 2026-09-05 08:52 UTCEG score recompute
  21. 2026-09-05 08:52 UTCGHSA enrichment
  22. 2026-09-04 05:07 UTCEPSS rescore
  23. 2026-09-02 14:12 UTCEPSS rescore
  24. 2026-09-02 00:57 UTCEG score recompute
  25. 2026-09-02 00:57 UTCGHSA enrichment
Show 66 more
  1. 2026-09-01 13:54 UTCEPSS rescore
  2. 2026-08-30 19:17 UTCEPSS rescore
  3. 2026-08-30 02:15 UTCEG score recompute
  4. 2026-08-30 02:15 UTCGHSA enrichment
  5. 2026-08-30 01:22 UTCEPSS rescore
  6. 2026-08-28 21:42 UTCEPSS rescore
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 14:46 UTCEPSS rescore
  9. 2026-08-25 14:51 UTCEG score recompute
  10. 2026-08-25 14:51 UTCGHSA enrichment
  11. 2026-08-25 13:49 UTCEPSS rescore
  12. 2026-08-23 00:19 UTCEPSS rescore
  13. 2026-08-22 20:52 UTCEG score recompute
  14. 2026-08-22 20:52 UTCGHSA enrichment
  15. 2026-08-21 23:49 UTCEPSS rescore
  16. 2026-08-20 22:55 UTCEPSS rescore
  17. 2026-08-20 02:52 UTCEG score recompute
  18. 2026-08-20 02:52 UTCGHSA enrichment
  19. 2026-08-19 17:04 UTCEPSS rescore
  20. 2026-08-18 13:48 UTCEPSS rescore
  21. 2026-08-17 13:47 UTCEPSS rescore
  22. 2026-08-17 08:52 UTCEG score recompute
  23. 2026-08-17 08:52 UTCGHSA enrichment
  24. 2026-08-16 14:56 UTCEPSS rescore
  25. 2026-08-16 02:14 UTCEPSS rescore
  26. 2026-08-15 01:30 UTCEPSS rescore
  27. 2026-08-14 14:52 UTCEG score recompute
  28. 2026-08-14 14:52 UTCGHSA enrichment
  29. 2026-08-13 22:00 UTCEPSS rescore
  30. 2026-08-12 13:51 UTCEPSS rescore
  31. 2026-08-11 20:52 UTCEG score recompute
  32. 2026-08-11 20:52 UTCGHSA enrichment
  33. 2026-08-11 00:00 UTCEPSS rescore
  34. 2026-08-09 02:53 UTCEG score recompute
  35. 2026-08-09 02:53 UTCGHSA enrichment
  36. 2026-08-08 16:37 UTCEPSS rescore
  37. 2026-08-06 13:47 UTCEPSS rescore
  38. 2026-08-06 08:53 UTCEG score recompute
  39. 2026-08-06 08:53 UTCGHSA enrichment
  40. 2026-08-05 19:17 UTCEPSS rescore
  41. 2026-08-04 15:10 UTCEPSS rescore
  42. 2026-08-03 14:54 UTCEG score recompute
  43. 2026-08-03 14:54 UTCGHSA enrichment
  44. 2026-08-03 10:36 UTCEPSS rescore
  45. 2026-08-02 02:27 UTCEPSS rescore
  46. 2026-08-01 04:16 UTCEPSS rescore
  47. 2026-07-31 22:32 UTCEG score recompute
  48. 2026-07-31 22:32 UTCGHSA enrichment
  49. 2026-07-30 01:30 UTCEPSS rescore
  50. 2026-07-30 01:30 UTCEPSS rescore
  51. 2026-07-29 04:31 UTCEG score recompute
  52. 2026-07-29 04:31 UTCGHSA enrichment
  53. 2026-07-28 15:37 UTCEPSS rescore
  54. 2026-07-26 10:29 UTCEG score recompute
  55. 2026-07-26 10:29 UTCGHSA enrichment
  56. 2026-07-25 14:18 UTCEPSS rescore
  57. 2026-07-24 14:18 UTCEPSS rescore
  58. 2026-07-23 14:18 UTCEPSS rescore
  59. 2026-07-23 03:20 UTCEG score recompute
  60. 2026-07-22 23:04 UTCEG score recompute
  61. 2026-07-22 23:04 UTCGHSA enrichment
  62. 2026-07-22 14:08 UTCEPSS rescore
  63. 2026-07-21 20:05 UTCEG score recompute
  64. 2026-07-21 20:05 UTCGHSA enrichment
  65. 2026-07-21 18:04 UTCEG score recompute
  66. 2026-07-21 18:03 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-56581?
CVE-2026-56581 is a low vulnerability published on July 21, 2026. HCL MyCloud was affected with Cookie Attribute Path Not Set. It may increase the risk of unauthorized access to session data or authentication tokens.
When was CVE-2026-56581 disclosed?
CVE-2026-56581 was first published in the National Vulnerability Database on July 21, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56581 actively exploited?
CVE-2026-56581 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 95.1% of all scored CVEs.
What is the CVSS score of CVE-2026-56581?
CVE-2026-56581 has a CVSS v3 base score of 2.6 (NVD).
How do I remediate CVE-2026-56581?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56581, 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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