CVE-2026-15913

HIGHPre-NVD 7.77.7—
EchelonGraph scoreHIGH confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-10. a secondary CVSS source baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: None knownExposed: 0

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

In versions prior to 7.10.2 a path traversal vulnerability in the /attachRemoteFiles endpoint of Fortra's GoAnywhere MFT allows Web Users with both Secure Folders and Secure Mail permissions to escape their sandboxed home directory, achieving arbitrary file read.

CVSS v3
7.7
EG Score
7.7(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

September 9, 2026

Last Modified

September 10, 2026

References (1)

Vendor Advisories for CVE-2026-15913(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 23× in last 7d / 42× 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. 2026-09-19 09:45 UTCGHSA enrichment
  2. 2026-09-18 21:19 UTCEG score recompute
  3. 2026-09-18 21:19 UTCGHSA enrichment
  4. 2026-09-18 19:27 UTCEPSS rescore
  5. 2026-09-18 08:33 UTCGHSA enrichment
  6. 2026-09-17 20:14 UTCEG score recompute
  7. 2026-09-17 20:14 UTCGHSA enrichment
  8. 2026-09-17 07:56 UTCGHSA enrichment
  9. 2026-09-16 19:38 UTCEG score recompute
  10. 2026-09-16 19:38 UTCGHSA enrichment
  11. 2026-09-16 14:07 UTCEPSS rescore
  12. 2026-09-16 07:20 UTCEG score recompute
  13. 2026-09-16 07:20 UTCGHSA enrichment
  14. 2026-09-16 05:14 UTCEPSS rescore
  15. 2026-09-15 19:01 UTCGHSA enrichment
  16. 2026-09-15 06:40 UTCEG score recompute
  17. 2026-09-15 06:40 UTCGHSA enrichment
  18. 2026-09-14 18:22 UTCGHSA enrichment
  19. 2026-09-14 06:04 UTCGHSA enrichment
  20. 2026-09-13 17:46 UTCEG score recompute
  21. 2026-09-13 17:46 UTCGHSA enrichment
  22. 2026-09-13 16:46 UTCEPSS rescore
  23. 2026-09-13 05:28 UTCGHSA enrichment
  24. 2026-09-12 17:10 UTCEG score recompute
  25. 2026-09-12 17:10 UTCGHSA enrichment
Show 17 more
  1. 2026-09-12 15:00 UTCEPSS rescore
  2. 2026-09-12 04:52 UTCGHSA enrichment
  3. 2026-09-11 16:34 UTCEG score recompute
  4. 2026-09-11 16:34 UTCGHSA enrichment
  5. 2026-09-11 14:52 UTCEPSS rescore
  6. 2026-09-11 09:36 UTCEPSS rescore
  7. 2026-09-11 04:16 UTCGHSA enrichment
  8. 2026-09-10 15:58 UTCGHSA enrichment
  9. 2026-09-10 14:21 UTCEG score recompute
  10. 2026-09-10 14:21 UTCGHSA enrichment
  11. 2026-09-10 13:50 UTCEG score recompute
  12. 2026-09-10 13:50 UTCGHSA enrichment
  13. 2026-09-10 10:52 UTCEG score recompute
  14. 2026-09-10 10:52 UTCGHSA enrichment
  15. 2026-09-09 22:31 UTCEG score recompute
  16. 2026-09-09 21:27 UTCEG score recompute
  17. 2026-09-09 21:24 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15913?
CVE-2026-15913 is a high vulnerability published on September 9, 2026. In versions prior to 7.10.2 a path traversal vulnerability in the /attachRemoteFiles endpoint of Fortra's GoAnywhere MFT allows Web Users with both Secure Folders and Secure Mail permissions to escape their sandboxed home directory, achieving arbitrary file read.
When was CVE-2026-15913 disclosed?
CVE-2026-15913 was first published in the National Vulnerability Database on September 9, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15913 actively exploited?
CVE-2026-15913 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 66.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15913?
CVE-2026-15913 has a CVSS v3 base score of 7.7 (NVD).
How do I remediate CVE-2026-15913?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15913, 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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