CVE-2026-15409

CRITICALPre-NVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-07-14), indicating real-world exploitation has been confirmed by US federal agencies. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 10.0 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa-adp, cisa_kev, epss, ghsa
Trending — KEV-added this weekExploited in the wild
10.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 78%CVSS: 10.0Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 0

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

A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A remote unauthenticated attacker could potentially cause the appliance to make requests to unintended location.

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
100(Act)
EG Risk 100/100SSVC: Act

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
Severity100% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
78%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

July 14, 2026

Last Modified

July 16, 2026

Advisory Details (2)

Auto-updated Jul 23, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-15409
generic

Security Advisory

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0008

Vendor Advisories for CVE-2026-15409(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 43× in last 7d / 78× 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. 2026-07-27 03:34 UTCGHSA enrichment
  2. 2026-07-26 23:51 UTCGHSA enrichment
  3. 2026-07-26 23:50 UTCGHSA enrichment
  4. 2026-07-26 20:08 UTCGHSA enrichment
  5. 2026-07-26 16:25 UTCEG score recompute
  6. 2026-07-26 16:25 UTCGHSA enrichment
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 12:43 UTCEG score recompute
  10. 2026-07-26 12:42 UTCGHSA enrichment
  11. 2026-07-26 08:59 UTCGHSA enrichment
  12. 2026-07-26 05:18 UTCGHSA enrichment
  13. 2026-07-26 01:36 UTCEG score recompute
  14. 2026-07-26 01:36 UTCGHSA enrichment
  15. 2026-07-24 14:17 UTCEPSS rescore
  16. 2026-07-23 14:18 UTCEPSS rescore
  17. 2026-07-23 03:05 UTCEG score recompute
  18. 2026-07-22 21:35 UTCEG score recompute
  19. 2026-07-22 21:35 UTCGHSA enrichment
  20. 2026-07-22 19:40 UTCCISA KEV update
  21. 2026-07-22 17:46 UTCEG score recompute
  22. 2026-07-22 17:46 UTCGHSA enrichment
  23. 2026-07-22 14:08 UTCEPSS rescore
  24. 2026-07-22 14:04 UTCGHSA enrichment
  25. 2026-07-22 10:22 UTCGHSA enrichment
Show 53 more
  1. 2026-07-22 06:39 UTCGHSA enrichment
  2. 2026-07-22 02:57 UTCGHSA enrichment
  3. 2026-07-21 23:13 UTCGHSA enrichment
  4. 2026-07-21 18:03 UTCEG score recompute
  5. 2026-07-21 18:03 UTCGHSA enrichment
  6. 2026-07-21 15:24 UTCEPSS rescore
  7. 2026-07-21 14:37 UTCCISA KEV update
  8. 2026-07-21 14:21 UTCGHSA enrichment
  9. 2026-07-21 10:38 UTCGHSA enrichment
  10. 2026-07-21 06:56 UTCGHSA enrichment
  11. 2026-07-21 03:15 UTCGHSA enrichment
  12. 2026-07-20 23:33 UTCGHSA enrichment
  13. 2026-07-20 19:52 UTCEG score recompute
  14. 2026-07-20 19:52 UTCGHSA enrichment
  15. 2026-07-20 17:08 UTCEPSS rescore
  16. 2026-07-20 16:10 UTCGHSA enrichment
  17. 2026-07-20 12:29 UTCGHSA enrichment
  18. 2026-07-20 08:47 UTCGHSA enrichment
  19. 2026-07-20 05:05 UTCGHSA enrichment
  20. 2026-07-20 01:23 UTCGHSA enrichment
  21. 2026-07-19 21:41 UTCGHSA enrichment
  22. 2026-07-19 17:59 UTCEG score recompute
  23. 2026-07-19 17:59 UTCGHSA enrichment
  24. 2026-07-19 14:30 UTCEPSS rescore
  25. 2026-07-19 14:18 UTCGHSA enrichment
  26. 2026-07-19 10:36 UTCGHSA enrichment
  27. 2026-07-19 06:54 UTCGHSA enrichment
  28. 2026-07-19 03:12 UTCEG score recompute
  29. 2026-07-19 03:11 UTCGHSA enrichment
  30. 2026-07-19 02:28 UTCEPSS rescore
  31. 2026-07-18 23:30 UTCGHSA enrichment
  32. 2026-07-18 19:48 UTCGHSA enrichment
  33. 2026-07-18 16:06 UTCGHSA enrichment
  34. 2026-07-18 12:24 UTCEG score recompute
  35. 2026-07-18 12:24 UTCGHSA enrichment
  36. 2026-07-18 10:04 UTCEPSS rescore
  37. 2026-07-18 08:42 UTCGHSA enrichment
  38. 2026-07-18 05:00 UTCGHSA enrichment
  39. 2026-07-18 01:18 UTCGHSA enrichment
  40. 2026-07-17 21:36 UTCGHSA enrichment
  41. 2026-07-17 17:54 UTCGHSA enrichment
  42. 2026-07-17 14:11 UTCGHSA enrichment
  43. 2026-07-17 10:28 UTCGHSA enrichment
  44. 2026-07-17 06:46 UTCEG score recompute▲ 10.00
  45. 2026-07-17 06:46 UTCGHSA enrichment
  46. 2026-07-16 17:04 UTCCISA KEV update
  47. 2026-07-16 17:02 UTCEPSS rescore
  48. 2026-07-15 16:57 UTCEPSS rescore
  49. 2026-07-15 16:49 UTCCISA KEV update
  50. 2026-07-15 15:04 UTCCISA KEV update
  51. 2026-07-14 20:30 UTCMITRE cvelistV5CVSS v3 → 10 · severity → CRITICAL
  52. 2026-07-14 20:04 UTCEG score recompute
  53. 2026-07-14 20:01 UTCMITRE cvelistV5first tracked

Publicly available exploits

(4 references)

Working exploit code is in the public domain (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCtc4dy/CVE-2026-15409-15410-Framework
    First seen Jul 17, 2026

    CVE-2026-15409/15410 SonicWall SMA1000 multi-exploit Framework 🔥 SSRF→Erlang RPC→RCE→root privesc. Features: --detect safe check, --exec, --read-file, --privesc, --rpc, interactive shell, batch threading, file write, ws-url override, pipe support.🛡️ KEV listed CVSS 10.0 actively exploited. Authorized testing only. Use Ethically, Stay Legal. 🔒

    Open source ↗
  • GitHub PoCremmons-r7/rapid7-CVE-2026-15409
    First seen Jul 15, 2026

    This repo contains a proof-of-concept exploit for CVE-2026-15409. It establishes non-root remote code execution on SonicWall SMA 1000 by implementing the Erlang protocol expected by localhost:1050 and tunneling it through the websocket for file r/w and arbitrary code execution via RPC calls.

    Open source ↗
  • GitHub PoC0xBlackash/CVE-2026-15409
    First seen Jul 15, 2026

    CVE-2026-15409

    Open source ↗
  • Nucleijavascript/cves/2026/CVE-2026-15409.yaml
    First seen Jan 1, 2026

    SonicWall SMA1000 - Server-Side Request Forgery

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2026-15409?
CVE-2026-15409 is a critical vulnerability published on July 14, 2026. A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A remote unauthenticated attacker could potentially cause the appliance to make requests to unintended location.
When was CVE-2026-15409 disclosed?
CVE-2026-15409 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15409 actively exploited?
Yes. CISA added CVE-2026-15409 to the Known Exploited Vulnerabilities catalog on July 14, 2026, affecting SonicWall SMA1000 Appliances. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-15409?
CVE-2026-15409 has a CVSS v3.1 base score of 10.0 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
Which products are affected by CVE-2026-15409?
CVE-2026-15409 affects SonicWall SMA1000 Appliances. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-15409?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15409, 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-2026-15409

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