CVE-2026-79577

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-08. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

An issue in the /cas/login component of sso-master v1.0.0 allows attackers to authenticate into the application without a password via sending a crafted POST request.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 21, 2026
No patch confirmed yet.
generic

CVE/sso-master/sso.md at main · fangtang7/CVE · GitHub

https://github.com/fangtang7/CVE/blob/main/sso-master/sso.md

Vendor Advisories for CVE-2026-79577(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 59× in last 7d / 104× 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 104 total refreshes for this CVE.

  1. 2026-09-25 08:53 UTCGHSA enrichment
  2. 2026-09-25 05:15 UTCGHSA enrichment
  3. 2026-09-25 01:38 UTCGHSA enrichment
  4. 2026-09-24 22:00 UTCGHSA enrichment
  5. 2026-09-24 18:22 UTCGHSA enrichment
  6. 2026-09-24 14:21 UTCEG score recompute
  7. 2026-09-24 14:21 UTCGHSA enrichment
  8. 2026-09-24 14:04 UTCEPSS rescore
  9. 2026-09-24 10:19 UTCGHSA enrichment
  10. 2026-09-24 06:41 UTCGHSA enrichment
  11. 2026-09-24 03:02 UTCGHSA enrichment
  12. 2026-09-23 23:24 UTCGHSA enrichment
  13. 2026-09-23 19:42 UTCEG score recompute
  14. 2026-09-23 19:42 UTCGHSA enrichment
  15. 2026-09-23 17:54 UTCEPSS rescore
  16. 2026-09-23 15:42 UTCGHSA enrichment
  17. 2026-09-23 12:05 UTCGHSA enrichment
  18. 2026-09-23 08:27 UTCGHSA enrichment
  19. 2026-09-23 04:49 UTCGHSA enrichment
  20. 2026-09-23 01:11 UTCGHSA enrichment
  21. 2026-09-22 21:33 UTCGHSA enrichment
  22. 2026-09-22 17:55 UTCEG score recompute
  23. 2026-09-22 17:55 UTCGHSA enrichment
  24. 2026-09-22 16:01 UTCEPSS rescore
  25. 2026-09-22 13:59 UTCGHSA enrichment
Show 75 more
  1. 2026-09-22 10:21 UTCGHSA enrichment
  2. 2026-09-22 06:42 UTCGHSA enrichment
  3. 2026-09-22 03:05 UTCGHSA enrichment
  4. 2026-09-21 23:26 UTCEG score recompute
  5. 2026-09-21 23:26 UTCGHSA enrichment
  6. 2026-09-21 21:09 UTCEPSS rescore
  7. 2026-09-21 19:49 UTCGHSA enrichment
  8. 2026-09-21 16:11 UTCGHSA enrichment
  9. 2026-09-21 12:27 UTCGHSA enrichment
  10. 2026-09-21 08:49 UTCGHSA enrichment
  11. 2026-09-21 05:05 UTCGHSA enrichment
  12. 2026-09-21 01:27 UTCGHSA enrichment
  13. 2026-09-20 21:44 UTCEG score recompute
  14. 2026-09-20 21:44 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 18:06 UTCGHSA enrichment
  17. 2026-09-20 14:26 UTCGHSA enrichment
  18. 2026-09-20 10:45 UTCGHSA enrichment
  19. 2026-09-20 07:08 UTCGHSA enrichment
  20. 2026-09-20 03:03 UTCGHSA enrichment
  21. 2026-09-19 23:25 UTCGHSA enrichment
  22. 2026-09-19 19:47 UTCGHSA enrichment
  23. 2026-09-19 16:09 UTCEG score recompute
  24. 2026-09-19 16:09 UTCGHSA enrichment
  25. 2026-09-19 12:31 UTCGHSA enrichment
  26. 2026-09-19 08:53 UTCGHSA enrichment
  27. 2026-09-19 05:11 UTCGHSA enrichment
  28. 2026-09-19 01:32 UTCGHSA enrichment
  29. 2026-09-18 21:55 UTCEG score recompute
  30. 2026-09-18 21:55 UTCGHSA enrichment
  31. 2026-09-18 19:28 UTCEPSS rescore
  32. 2026-09-18 18:17 UTCGHSA enrichment
  33. 2026-09-18 14:27 UTCGHSA enrichment
  34. 2026-09-18 10:50 UTCGHSA enrichment
  35. 2026-09-18 07:12 UTCGHSA enrichment
  36. 2026-09-18 03:35 UTCGHSA enrichment
  37. 2026-09-17 23:57 UTCGHSA enrichment
  38. 2026-09-17 20:20 UTCEG score recompute
  39. 2026-09-17 20:20 UTCGHSA enrichment
  40. 2026-09-17 16:10 UTCGHSA enrichment
  41. 2026-09-17 12:32 UTCGHSA enrichment
  42. 2026-09-17 08:49 UTCGHSA enrichment
  43. 2026-09-17 05:12 UTCGHSA enrichment
  44. 2026-09-17 01:34 UTCGHSA enrichment
  45. 2026-09-16 21:56 UTCGHSA enrichment
  46. 2026-09-16 18:18 UTCEG score recompute
  47. 2026-09-16 18:18 UTCGHSA enrichment
  48. 2026-09-16 14:08 UTCEPSS rescore
  49. 2026-09-16 14:05 UTCGHSA enrichment
  50. 2026-09-16 10:27 UTCGHSA enrichment
  51. 2026-09-16 06:49 UTCEG score recompute
  52. 2026-09-16 06:49 UTCGHSA enrichment
  53. 2026-09-16 05:15 UTCEPSS rescore
  54. 2026-09-16 03:12 UTCGHSA enrichment
  55. 2026-09-15 23:34 UTCGHSA enrichment
  56. 2026-09-15 19:56 UTCGHSA enrichment
  57. 2026-09-15 16:19 UTCGHSA enrichment
  58. 2026-09-15 12:40 UTCGHSA enrichment
  59. 2026-09-15 09:01 UTCGHSA enrichment
  60. 2026-09-15 05:23 UTCEG score recompute
  61. 2026-09-15 05:22 UTCGHSA enrichment
  62. 2026-09-15 03:12 UTCEPSS rescore
  63. 2026-09-15 03:12 UTCEPSS rescore
  64. 2026-09-15 01:39 UTCGHSA enrichment
  65. 2026-09-14 22:01 UTCGHSA enrichment
  66. 2026-09-14 18:21 UTCEG score recompute
  67. 2026-09-14 18:21 UTCGHSA enrichment
  68. 2026-09-14 14:32 UTCEG score recompute
  69. 2026-09-14 14:32 UTCGHSA enrichment
  70. 2026-09-14 13:40 UTCEG score recompute▲ 9.80
  71. 2026-09-14 13:40 UTCGHSA enrichment
  72. 2026-09-14 13:39 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  73. 2026-09-12 15:06 UTCEG score recompute
  74. 2026-09-12 15:06 UTCGHSA enrichment
  75. 2026-09-09 16:08 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-79577?
CVE-2026-79577 is a critical vulnerability published on September 8, 2026. An issue in the /cas/login component of sso-master v1.0.0 allows attackers to authenticate into the application without a password via sending a crafted POST request.
When was CVE-2026-79577 disclosed?
CVE-2026-79577 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-79577 actively exploited?
CVE-2026-79577 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 61.1% of all scored CVEs.
What is the CVSS score of CVE-2026-79577?
CVE-2026-79577 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-79577?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-79577, 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.

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