CVE-2026-15409: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to potentially cause the appliance to make requests to unintended location.
CSIRTS triage
- What
- SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow remote unauthenticated access.
- Who is affected
- Users of SonicWall SMA1000 Appliances.
- Urgency
- Remediation is urgent due to active exploitation of this critical vulnerability.
- Action
- Users should apply the latest patches provided by SonicWall.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-15409
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2026-15409Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-15409 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- critical[NEW] [critical] SonicWall SMA: Multiple vulnerabilitiescert-bund
- unknownexploitedNCSC-2026-0239 [1.00] [H/H] Zero-Day vulnerabilities fixed in SonicWall SMA1000ncsc-nl
- unknownSonicWall SMA1000 Series Products Multiple Vulnerabilitieshkcert
- unknownexploitedMultiple vulnerabilities in Sonicwall Secure Mobile Access 1000 (July 15, 2026)cert-fr-avis
- unknownexploitedMultiple vulnerabilities in Secure Mobile Access (July 15, 2026)cert-fr-alerte
- criticalexploitedSonicWall security advisory (AV26-699) – Update 1cccs
- criticalexploitedCVE-2026-15409: A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Applianc…nvd
- criticalexploitedCISA Adds Four Known Exploited Vulnerabilities to Catalogcisa
Recent advisories for SonicWall SMA1000 Appliances
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2026-15410: SonicWall SMA1000 Appliances Code Injection Vulnerabilitycisa-kev · 2026-07-14
- criticalexploitedCVE-2025-23006: SonicWall SMA1000 Appliances Deserialization Vulnerabilitycisa-kev · 2025-01-24
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