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CVE-2026-0257· NVD / CVE Program· CNA palo_alto

PAN-OS: GlobalProtect Authentication Bypass Vulnerabilities

Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection. Panorama and Cloud NGFW are not impacted by these issues.

HighCVSS 7.8 · v4.0KEVWeaponized Fix available
Published
May 13, 2026
Updated
Jul 14, 2026
EPSS
96.4% · 100th percentile
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Action score

90

Now

Patch today or shut off access.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
30 / 30 · Listed
EPSS
29 / 30 · 96.4%

CISA SSVC decision

Exploitation
active
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · palo_alto
7.8
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:A/AU:N/R:A/V:D/RE:M/U:Red

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on May 29, 2026. That signals real attacks, not theory.

Remediation deadline for government agencies: Jun 1, 2026.

Known to be used in ransomware campaigns.

Affected systems

VendorProduct
paloaltonetworkspan-os
paloaltonetworksprisma access
siemensruggedcom ape1808 firmware
siemensruggedcom ape1808

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Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • paloaltonetworks pan-osbefore 10.2.7
  • paloaltonetworks pan-os10.2.10
  • paloaltonetworks pan-os10.2.11
  • paloaltonetworks pan-os10.2.12
  • paloaltonetworks pan-os10.2.13
  • paloaltonetworks pan-os10.2.14
  • paloaltonetworks pan-os10.2.15
  • paloaltonetworks pan-os10.2.16
  • paloaltonetworks pan-os10.2.17
  • paloaltonetworks pan-os10.2.18
  • paloaltonetworks pan-os10.2.7
  • paloaltonetworks pan-os10.2.8
  • paloaltonetworks pan-os10.2.9
  • paloaltonetworks pan-os11.1.0
  • paloaltonetworks pan-os11.1.1
  • paloaltonetworks pan-os11.1.10
  • paloaltonetworks pan-os11.1.11
  • paloaltonetworks pan-os11.1.12
  • paloaltonetworks pan-os11.1.13
  • paloaltonetworks pan-os11.1.14

Versions reported by the vendor

Affected version ranges reported by the assigning authority (palo_alto). Independent of NVD's CPE analysis and usually ahead of it.

  • Palo Alto Networks Cloud NGFW

    • Allnot affected

  • Palo Alto Networks PAN-OS

    • 12.1.0 and later · before 12.1.7, 12.1.4-h6affectedfixed in 12.1.7, 12.1.4-h6
    • 11.2.0 and later · before 11.2.12, 11.2.10-h7, 11.2.7-h14, 11.2.4-h17affectedfixed in 11.2.12, 11.2.10-h7, 11.2.7-h14, 11.2.4-h17
    • 11.1.0 and later · before 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33affectedfixed in 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33
    • 10.2.0 and later · before 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34affectedfixed in 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34

  • Palo Alto Networks Prisma Access

    • 10.2.0 and later · before 10.2.10-h36affectedfixed in 10.2.10-h36
    • 11.2.0 and later · before 11.2.7-h13affectedfixed in 11.2.7-h13

Same product

paloaltonetworks: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-3400PAN-OS: Arbitrary File Creation Leads to OS Command Injection Vulnerability in GlobalProtectKEV
    100Now
  • CVE-2017-15944Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and 8.0.x before 8.0.6 allows remote attackers to executeKEV
    98Now
  • CVE-2024-0012PAN-OS: Authentication Bypass in the Management Web Interface (PAN-SA-2024-0015)KEV
    97Now
  • CVE-2025-0108PAN-OS: Authentication Bypass in the Management Web InterfaceKEV
    95Now
  • CVE-2024-9474PAN-OS: Privilege Escalation (PE) Vulnerability in the Web Management InterfaceKEV
    85Now
  • CVE-2026-0300PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication PortalKEV
    77This week

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Palo Alto Networks PAN-OS10.2.10-h36Vendor (CNA)
Palo Alto Networks PAN-OS10.2.13-h21Vendor (CNA)
Palo Alto Networks PAN-OS10.2.16-h7Vendor (CNA)
Palo Alto Networks PAN-OS10.2.18-h6Vendor (CNA)
Palo Alto Networks PAN-OS10.2.7-h34Vendor (CNA)
Palo Alto Networks PAN-OS11.1.10-h25Vendor (CNA)
Palo Alto Networks PAN-OS11.1.13-h5Vendor (CNA)
Palo Alto Networks PAN-OS11.1.15Vendor (CNA)
Palo Alto Networks PAN-OS11.1.4-h33Vendor (CNA)
Palo Alto Networks PAN-OS11.1.6-h32Vendor (CNA)
Palo Alto Networks PAN-OS11.1.7-h6Vendor (CNA)
Palo Alto Networks PAN-OS11.2.10-h7Vendor (CNA)
Palo Alto Networks PAN-OS11.2.12Vendor (CNA)
Palo Alto Networks PAN-OS11.2.4-h17Vendor (CNA)
Palo Alto Networks PAN-OS11.2.7-h14Vendor (CNA)
Palo Alto Networks PAN-OS12.1.4-h6Vendor (CNA)
Palo Alto Networks PAN-OS12.1.7Vendor (CNA)
Palo Alto Networks Prisma Access10.2.10-h36Vendor (CNA)
Palo Alto Networks Prisma Access11.2.7-h13Vendor (CNA)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Nuclei detection template ×1
  • Proof-of-concept repository on GitHub ×7

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Nuclei detection templateNuclei template CVE-2026-0257 —
Proof-of-concept repository on GitHubstars:292026-05-29
Proof-of-concept repository on GitHubstars:22026-05-29
Proof-of-concept repository on GitHubstars:02026-05-30
Proof-of-concept repository on GitHubstars:32026-05-30
Proof-of-concept repository on GitHubstars:32026-06-03
Proof-of-concept repository on GitHubstars:12026-06-10
Proof-of-concept repository on GitHubstars:02026-06-15

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+15 d
  3. CISA KEV+15 d
  4. TodaySep 29, 2026+139 d
EPSS, last 120 days+1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

—

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2026-028657 days apartPAN-OS: Authenticated Command Injection in CLI
    25Monitor
  • CVE-2026-02610 days apartPAN-OS: Authenticated Admin Command Injection Vulnerability
    24Monitor
  • CVE-2026-027328 days apartPAN-OS: Authenticated Admin Command Injection Vulnerability via CLI or Web UI
    24Monitor
  • CVE-2026-02590 days apartWildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B)
    20Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
X

Weakness class (CWE)

CWE-565 · Reliance on Cookies without Validation and Integrity Checking

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:D/RE:M/U:Red

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records