What is CVE-2026-19868?
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).
The record classifies CVE-2026-19868 under weakness class CWE-308. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 1 day ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 7.5 — HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N - CISA KEV
- Listed since 2026-11-06, federal remediation deadline 2026-11-20
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2026-11-06
Is CVE-2026-19868 being exploited?
CISA added CVE-2026-19868 to the Known Exploited Vulnerabilities catalog on 2026-11-06, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-11-20 under BOD 22-01. It currently carries a trending score of 45 in the Threadlinqs vulnerability feed.
Affected products and versions
- SonicWall: SonicOS
How to fix CVE-2026-19868
Vendor advisory: https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014. Because CVE-2026-19868 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-11-20. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2026-19868
1 tracked threat in the Threadlinqs corpus references CVE-2026-19868, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, CISA KEV. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.