CVE-2026-0283: An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security res

unknownCVE-2026-0283

An authentication bypass vulnerability in Large Scale VPN ( LSVPN) functionality of Palo Alto Networks PAN-OS software allows an attacker with network access to bypass security restrictions and establish an unauthorized site-to-site VPN connection. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: unknown
Published: 2026-07-09
Last updated: 2026-07-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-0283

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.

Low exploitation riskCVE-2026-02830.58% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-0283	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] Palo Alto Networks PAN-OS: Multiple vulnerabilitiescert-bund
unknownPalo Alto Products Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in Palo Alto Networks products (July 09, 2026)cert-fr-avis
mediumCVE-2026-0283 PAN-OS: Authentication Bypass Vulnerability in Large Scale VPN (LSVPN) (Severity: MEDIUM)paloalto

Recent advisories for An authentication bypass

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.

highCVE-2026-14262: The Simple JWT Login – Allows you to use JWT on REST endpoints. plugin for WordPress is vulner…nvd · 2026-07-11
criticalCVE-2026-57807: Authentication Bypass Using an Alternate Path or Channel vulnerability in miniOrange Security …nvd · 2026-07-10
criticalCVE-2026-12761: The miniOrange Social Login and Register (Discord, Google, Twitter, LinkedIn) plugin for WordP…nvd · 2026-07-10
criticalGHSA-xqp3-jq6g-x3qm: File Browser: Authentication Bypass via Proxy Auth Header Forgeryghsa · 2026-07-10
highCVE-2026-56305: Capgo before 12.128.2 contains an authentication bypass vulnerability in the password change e…nvd · 2026-07-10
highCVE-2026-22659: FlaskBB through 2.2.0, fixed in commit acc88cf, contains an authorization bypass vulnerability…nvd · 2026-07-10