CVE-2026-19868
An authentication enforcement vulnerability in SonicOS SSLVPN service may allow a user with valid...
CVE-2026-19868 is a high vulnerability (CVSS 7.5) in Sonicwall Sonicos, published November 6, 2026. CISA lists it as known to be exploited, since November 6, 2026. EUVD reports exploitation since November 6, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 3.1, CVE List
- Exploit chance
- 0.53%EPSS, 45th percentile
- Exploitation
- ExploitedCISA KEV,
- Fixed in
- No fix listedNo source names one
Description
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).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
Discussion
9th November – Threat Intelligence Reportresearch.checkpoint.com ·
Exploited SonicWall SSL-VPN flaw lets attackers bypass SAML-enforced MFA (CVE-2026-19868)helpnetsecurity.com ·
CISA Flags SonicWall SonicOS MFA Bypass Flaw Amid Reports of Possible Exploitationthehackernews.com ·
SonicWall Patches Exploited SonicOS Vulnerability That Weakens VPN Loginssecurityweek.com ·
SonicWall SonicOS SSLVPN auth bypass (CVE-2026-19868)news.ycombinator.com ·
Post on Blueskybsky.app ·
Post on Mastodoninfosec.exchange ·
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | EXEcution-py/CVE-2026-19868 | 2026-11-07 |
| PoC in GitHub | foxcornlab/sonicwall-sonicos-scanner | 2026-11-08 |
What each source reports
CVE List Score used
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).
- Record
CVE-2026-19868- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N - Weakness
- CWE-308
- Updated
- 2026-11-06
EUVDEUVD-2026-118429
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).
- Record
EUVD-2026-118429- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N - Updated
- 2026-11-07
GitHub AdvisoriesGHSA-mq8w-j7h6-7q9w
An authentication enforcement vulnerability in SonicOS SSLVPN service may allow a user with valid...
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).
- Record
GHSA-mq8w-j7h6-7q9w- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N - Weakness
- CWE-308
- Updated
- 2026-11-06
CISA KEVNo score
SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
SonicWall SonicOS SSLVPN contains a use of single-factor authentication vulnerability that 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).
- Record
CVE-2026-19868- Weakness
- CWE-308
- Updated
- 2026-11-06
NVD
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).
- Record
CVE-2026-19868- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N - Weakness
- CWE-308
- Updated
- 2026-11-09
History
| Recorded | Changed | Sources |
|---|---|---|
| references | NVD | |
| exploits | PoC in GitHub | |
| exploits, facts | PoC in GitHub | |
| published | EUVD, NVD | |
| published | EUVD, NVD | |
| aliases, exploitation, facts, kev, products, references, severity, title | CVE List, EUVD, GitHub Advisories, CISA KEV | |
| cwes, references | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.