CVE-2026-13738

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: 0.5%, top 58% 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: 1%CVSS: 9.2Exploit: None knownExposed: 0

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

CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.

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%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

August 11, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Aug 11, 2026
No patch confirmed yet.
generic

CV_2026_07_9

https://documentation.commvault.com/securityadvisories/CV_2026_07_9.html

Vendor Advisories for CVE-2026-13738(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 55× in last 7d / 74× 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. 2026-08-20 10:40 UTCGHSA enrichment
  2. 2026-08-20 06:42 UTCGHSA enrichment
  3. 2026-08-20 02:43 UTCGHSA enrichment
  4. 2026-08-19 22:40 UTCGHSA enrichment
  5. 2026-08-19 18:42 UTCEG score recompute
  6. 2026-08-19 18:42 UTCGHSA enrichment
  7. 2026-08-19 17:03 UTCEPSS rescore
  8. 2026-08-19 13:41 UTCGHSA enrichment
  9. 2026-08-19 09:41 UTCGHSA enrichment
  10. 2026-08-19 05:36 UTCGHSA enrichment
  11. 2026-08-19 01:38 UTCGHSA enrichment
  12. 2026-08-18 21:39 UTCGHSA enrichment
  13. 2026-08-18 17:23 UTCEG score recompute
  14. 2026-08-18 17:23 UTCGHSA enrichment
  15. 2026-08-18 13:48 UTCEPSS rescore
  16. 2026-08-18 12:45 UTCGHSA enrichment
  17. 2026-08-18 08:32 UTCGHSA enrichment
  18. 2026-08-18 04:30 UTCGHSA enrichment
  19. 2026-08-18 00:31 UTCGHSA enrichment
  20. 2026-08-17 20:28 UTCGHSA enrichment
  21. 2026-08-17 16:30 UTCEG score recompute
  22. 2026-08-17 16:30 UTCGHSA enrichment
  23. 2026-08-17 12:23 UTCGHSA enrichment
  24. 2026-08-17 08:24 UTCGHSA enrichment
  25. 2026-08-17 04:26 UTCGHSA enrichment
Show 49 more
  1. 2026-08-17 00:28 UTCGHSA enrichment
  2. 2026-08-16 20:30 UTCGHSA enrichment
  3. 2026-08-16 16:31 UTCEG score recompute
  4. 2026-08-16 16:31 UTCGHSA enrichment
  5. 2026-08-16 14:56 UTCEPSS rescore
  6. 2026-08-16 12:33 UTCGHSA enrichment
  7. 2026-08-16 08:35 UTCGHSA enrichment
  8. 2026-08-16 04:37 UTCEG score recompute
  9. 2026-08-16 04:37 UTCGHSA enrichment
  10. 2026-08-16 02:14 UTCEPSS rescore
  11. 2026-08-16 00:39 UTCGHSA enrichment
  12. 2026-08-15 20:41 UTCGHSA enrichment
  13. 2026-08-15 16:43 UTCGHSA enrichment
  14. 2026-08-15 12:45 UTCGHSA enrichment
  15. 2026-08-15 08:47 UTCGHSA enrichment
  16. 2026-08-15 04:49 UTCEG score recompute
  17. 2026-08-15 04:49 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-15 00:50 UTCGHSA enrichment
  20. 2026-08-14 20:52 UTCGHSA enrichment
  21. 2026-08-14 16:54 UTCGHSA enrichment
  22. 2026-08-14 12:56 UTCGHSA enrichment
  23. 2026-08-14 08:58 UTCGHSA enrichment
  24. 2026-08-14 05:00 UTCGHSA enrichment
  25. 2026-08-14 01:02 UTCEG score recompute
  26. 2026-08-14 01:02 UTCGHSA enrichment
  27. 2026-08-13 22:00 UTCEPSS rescore
  28. 2026-08-13 21:04 UTCGHSA enrichment
  29. 2026-08-13 17:00 UTCGHSA enrichment
  30. 2026-08-13 13:02 UTCGHSA enrichment
  31. 2026-08-13 09:04 UTCGHSA enrichment
  32. 2026-08-13 05:05 UTCGHSA enrichment
  33. 2026-08-13 01:07 UTCGHSA enrichment
  34. 2026-08-12 21:09 UTCGHSA enrichment
  35. 2026-08-12 17:11 UTCEG score recompute
  36. 2026-08-12 17:11 UTCGHSA enrichment
  37. 2026-08-12 13:50 UTCEPSS rescore
  38. 2026-08-12 13:13 UTCGHSA enrichment
  39. 2026-08-12 09:14 UTCGHSA enrichment
  40. 2026-08-12 05:16 UTCGHSA enrichment
  41. 2026-08-12 01:17 UTCGHSA enrichment
  42. 2026-08-11 21:19 UTCEG score recompute
  43. 2026-08-11 21:19 UTCGHSA enrichment
  44. 2026-08-11 17:21 UTCEG score recompute
  45. 2026-08-11 17:20 UTCGHSA enrichment
  46. 2026-08-11 16:25 UTCGHSA enrichment
  47. 2026-08-11 12:27 UTCEG score recompute
  48. 2026-08-11 11:23 UTCEG score recompute
  49. 2026-08-11 11:22 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-13738?
CVE-2026-13738 is a critical vulnerability published on August 11, 2026. CommServe contained an authorization bypass vulnerability affecting a limited set of command execution operations. Software customers upgrade to resolved maintenance release. Update all Commvault installations, including Commserve, Webserver, Command Center, Media Agents, Clients and HyperScale X.
When was CVE-2026-13738 disclosed?
CVE-2026-13738 was first published in the National Vulnerability Database on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13738 actively exploited?
CVE-2026-13738 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 57.7% of all scored CVEs.
What is the CVSS score of CVE-2026-13738?
CVE-2026-13738 has a CVSS v3 base score of 9.2 (NVD).
How do I remediate CVE-2026-13738?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13738, 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-2026-13738

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