CVE-2026-77104

HIGHNVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 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: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

CommServe contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Sep 8, 2026
No patch confirmed yet.
generic

CV_2026_08_6

https://documentation.commvault.com/securityadvisories/CV_2026_08_6.html

Vendor Advisories for CVE-2026-77104(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 28× in last 7d / 71× 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. 2026-09-25 10:13 UTCGHSA enrichment
  2. 2026-09-24 23:11 UTCEG score recompute
  3. 2026-09-24 23:11 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 11:28 UTCGHSA enrichment
  6. 2026-09-24 00:25 UTCEG score recompute
  7. 2026-09-24 00:25 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 13:22 UTCGHSA enrichment
  10. 2026-09-23 02:15 UTCEG score recompute
  11. 2026-09-23 02:15 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 15:12 UTCGHSA enrichment
  14. 2026-09-22 04:10 UTCEG score recompute
  15. 2026-09-22 04:10 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 17:07 UTCGHSA enrichment
  18. 2026-09-21 05:24 UTCEG score recompute
  19. 2026-09-21 05:23 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 18:18 UTCGHSA enrichment
  22. 2026-09-20 07:16 UTCGHSA enrichment
  23. 2026-09-19 20:13 UTCEG score recompute
  24. 2026-09-19 20:13 UTCGHSA enrichment
  25. 2026-09-19 09:10 UTCGHSA enrichment
Show 46 more
  1. 2026-09-18 22:08 UTCEG score recompute
  2. 2026-09-18 22:08 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 11:06 UTCGHSA enrichment
  5. 2026-09-18 00:03 UTCEG score recompute
  6. 2026-09-18 00:03 UTCGHSA enrichment
  7. 2026-09-17 13:00 UTCGHSA enrichment
  8. 2026-09-17 01:45 UTCGHSA enrichment
  9. 2026-09-16 14:42 UTCEG score recompute
  10. 2026-09-16 14:42 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-16 03:39 UTCGHSA enrichment
  14. 2026-09-15 16:37 UTCGHSA enrichment
  15. 2026-09-15 05:30 UTCEG score recompute
  16. 2026-09-15 05:29 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 18:21 UTCGHSA enrichment
  19. 2026-09-14 06:33 UTCGHSA enrichment
  20. 2026-09-13 19:31 UTCEG score recompute
  21. 2026-09-13 19:31 UTCGHSA enrichment
  22. 2026-09-13 08:28 UTCGHSA enrichment
  23. 2026-09-12 21:26 UTCEG score recompute
  24. 2026-09-12 21:26 UTCGHSA enrichment
  25. 2026-09-12 15:02 UTCEPSS rescore
  26. 2026-09-12 10:23 UTCGHSA enrichment
  27. 2026-09-11 23:21 UTCEG score recompute
  28. 2026-09-11 23:21 UTCGHSA enrichment
  29. 2026-09-11 14:53 UTCEPSS rescore
  30. 2026-09-11 12:18 UTCEG score recompute
  31. 2026-09-11 12:18 UTCGHSA enrichment
  32. 2026-09-11 01:16 UTCGHSA enrichment
  33. 2026-09-10 14:13 UTCEG score recompute
  34. 2026-09-10 14:13 UTCGHSA enrichment
  35. 2026-09-10 09:35 UTCEPSS rescore
  36. 2026-09-10 03:11 UTCEG score recompute
  37. 2026-09-10 03:11 UTCGHSA enrichment
  38. 2026-09-09 16:08 UTCEG score recompute▼ 0.80
  39. 2026-09-09 16:08 UTCGHSA enrichment
  40. 2026-09-09 16:07 UTCNVD updateCVSS v3 → 7.5
  41. 2026-09-09 12:42 UTCGHSA enrichment
  42. 2026-09-09 01:34 UTCGHSA enrichment
  43. 2026-09-08 14:31 UTCEG score recompute
  44. 2026-09-08 13:31 UTCEG score recompute
  45. 2026-09-08 12:25 UTCEG score recompute
  46. 2026-09-08 12:24 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77104?
CVE-2026-77104 is a high vulnerability published on September 8, 2026. CommServe contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.
When was CVE-2026-77104 disclosed?
CVE-2026-77104 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77104 actively exploited?
CVE-2026-77104 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.7% of all scored CVEs.
What is the CVSS score of CVE-2026-77104?
CVE-2026-77104 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-77104?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77104, 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-2026-77104

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