# CVE-2026-19868: SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability

- Exploited (CISA KEV): yes, added 2026-11-06
- Published: 2026-11-06
- CVSS: not scored
- EPSS: no score
- CWE: CWE-308

An authentication enforcement vulnerability in SonicOS SSLVPN service may allow a user with valid credentials for an alternate authentication method to bypass SAML authentication controls. Successful exploitation may also bypass SAML-enforced multi-factor authentication (MFA).

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | No public claim | — | — |
| Vercel | No public claim | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

## Social

213 posts seen since 2026-11-06.

- Exploit repository (unvetted): https://github.com/EXEcution-py/CVE-2026-19868
- bluesky 2026-11-07: MFAを破るより、MFAを通らずに済む経路。  SonicOS SSLVPNのCVE-2026-19868。外部の認証基盤に判定を任せるSAML。その認証制御と、そこで必須にした多要素認証を、別方式の有効な資格情報で迂回し得る穴です。💎 [ベンダ告知](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014) (https://bsky.app/profile/ur-echosphere.bsky.social/post/3mzqm7eadr22o)
- mastodon 2026-11-07: 🤖 CVE-2026-19868 (CVSS 7.5): auth bypass in SonicOS SSLVPN. Credentials valid for an alternate auth method skip SAML enforcement, incl. SAML-mandated MFA. Exploited in the wild, added to CISA KEV Nov 6 (due Nov 20). One of 7 SonicOS flaws patched this week. 🔗 https:// psirt.gl… (https://infosec.exchange/@cloud/117575527160560085)
- x 2026-11-07: VPN 开了多重验证，也要看登录路径有没有绕过去。  据 SonicWall 的安全公告，SonicOS 的漏洞 CVE-2026-19868 涉及配置了 SAML 身份验证的 SSL-VPN。替代身份验证凭据可能绕过 SAML 及其多重验证。这并不意味着所有 SonicWall 用户都受影响。  CISA 已于 11 月 6 (https://x.com/iPoWDotAI/status/2118962598108643743)
- mastodon 2026-11-07: Do you run SonicWall SonicOS SSLVPN? CISA lists CVE-2026-19868 as exploited (added 6 Nov 2026). Can it reach you? Over a network, with no login and no click. CVSS 7.5. Plain-English breakdown: https:// xploitdigest.com/kev/CVE-2026- 19868 # SonicWall # CyberSecurity # InfoSec #… (https://infosec.exchange/@xploitdigest_kev/117573019485325356)
- mastodon 2026-11-07: New on the Stackurity blog: SonicWall SSLVPN flaw CVE-2026-19868 can bypass SAML and MFA https:// stackurity.ai/blog/sonicwall-s onicos-sslvpn-cve-2026-19868-saml-mfa-bypass-exploited/ # infosec # CVE # patchmanagement (https://infosec.exchange/@stackurity/117572984638257036)

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2026-19868 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2026-19868