7.2

CVE-2026-0280: PAN-OS: IPv6 Firewall Policy Bypass

Modified
Published 09-07-2026Last modified 15-10-2026

Vulnerability summary

CVE-2026-0280 is a high (CVSS 7.2) Incorrect Calculation of Buffer Size vulnerability in palo alto networks pan-os. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.8% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (NVD)
EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 09-07-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

An IPv6 packet processing vulnerability in the dataplane of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to bypass firewall security policy enforcement, allowing network traffic that should be blocked to reach protected services. Cloud NGFW and Panorama are not impacted by this vulnerability.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.34% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Palo alto networks2 products
  • pan-os≥ 12.1.0, < 12.1.8 | ≥ 11.2.0, < 11.2.13 | ≥ 11.1.0, < 11.1.16 | ≥ 10.2.0, < 10.2.18-h8
  • prisma access≥ 11.2.0, < 11.2.7-h18 | ≥ 10.2.0, < 10.2.10-h39
Paloaltonetworks1 product
  • pan-osEOL≥ 10.2.0, < 10.2.7 | ≥ 10.2.8, < 10.2.10 | ≥ 10.2.11, < 10.2.13 | ≥ 10.2.14, < 10.2.16 | 10.2.7 | 10.2.7:h1 | 10.2.7:h10 | 10.2.7:h11 | 10.2.7:h12 | 10.2.7:h13 | 10.2.7:h14 | 10.2.7:h15 | 10.2.7:h16 | 10.2.7:h17 | 10.2.7:h18 | 10.2.7:h19 | 10.2.7:h2 | 10.2.7:h20 | 10.2.7:h21 | 10.2.7:h22 | 10.2.7:h23 | 10.2.7:h24 | 10.2.7:h3 | 10.2.7:h32 | 10.2.7:h34 | 10.2.7:h35 | 10.2.7:h4 | 10.2.7:h5 | 10.2.7:h6 | 10.2.7:h7 | 10.2.7:h8 | 10.2.7:h9 | 10.2.10 | 10.2.10:h1 | 10.2.10:h10 | 10.2.10:h11 | 10.2.10:h12 | 10.2.10:h13 | 10.2.10:h14 | 10.2.10:h17 | 10.2.10:h18 | 10.2.10:h2 | 10.2.10:h21 | 10.2.10:h27 | 10.2.10:h3 | 10.2.10:h30 | 10.2.10:h31 | 10.2.10:h36 | 10.2.10:h37 | 10.2.10:h4 | 10.2.10:h5 | 10.2.10:h6 | 10.2.10:h7 | 10.2.13 | 10.2.13:h1 | 10.2.13:h10 | 10.2.13:h15 | 10.2.13:h16 | 10.2.13:h18 | 10.2.13:h2 | 10.2.13:h21 | 10.2.13:h22 | 10.2.13:h3 | 10.2.13:h4 | 10.2.13:h5 | 10.2.13:h7 | 10.2.16 | 10.2.16:h1 | 10.2.16:h4 | 10.2.16:h6 | 10.2.16:h7 | 10.2.16:h8 | 10.2.17 | 10.2.18:h1 | 10.2.18:h5 | 10.2.18:h6 | 10.2.18:h7 | ≥ 11.1.0, < 11.1.4 | ≥ 11.1.8, < 11.1.10 | ≥ 11.1.11, < 11.1.13 | ≥ 11.1.14, < 11.1.16 | 11.1.4 | 11.1.4:h1 | 11.1.4:h10 | 11.1.4:h11 | 11.1.4:h12 | 11.1.4:h13 | 11.1.4:h15 | 11.1.4:h17 | 11.1.4:h18 | 11.1.4:h2 | 11.1.4:h25 | 11.1.4:h27 | 11.1.4:h3 | 11.1.4:h32 | 11.1.4:h33 | 11.1.4:h34 | 11.1.4:h4 | 11.1.4:h5 | 11.1.4:h6 | 11.1.4:h7 | 11.1.4:h8 | 11.1.4:h9 | 11.1.5 | 11.1.6 | 11.1.6:h1 | 11.1.6:h10 | 11.1.6:h14 | 11.1.6:h17 | 11.1.6:h18 | 11.1.6:h19 | 11.1.6:h2 | 11.1.6:h20 | 11.1.6:h21 | 11.1.6:h22 | 11.1.6:h23 | 11.1.6:h25 | 11.1.6:h29 | 11.1.6:h3 | 11.1.6:h32 | 11.1.6:h33 | 11.1.6:h34 | 11.1.6:h4 | 11.1.6:h6 | 11.1.6:h7 | 11.1.10 | 11.1.10:h1 | 11.1.10:h10 | 11.1.10:h12 | 11.1.10:h21 | 11.1.10:h25 | 11.1.10:h26 | 11.1.10:h27 | 11.1.10:h28 | 11.1.10:h4 | 11.1.10:h5 | 11.1.10:h7 | 11.1.10:h9 | 11.1.13 | 11.1.13:h1 | 11.1.13:h2 | 11.1.13:h3 | 11.1.13:h5 | 11.1.13:h6 | 11.1.13:h7 | 11.1.13:h8 | ≥ 11.2.0, < 11.2.4 | ≥ 11.2.5, < 11.2.7 | ≥ 11.2.8, < 11.2.10 | ≥ 11.2.11, < 11.2.13 | 11.2.4 | 11.2.4:h1 | 11.2.4:h10 | 11.2.4:h11 | 11.2.4:h12 | 11.2.4:h14 | 11.2.4:h15 | 11.2.4:h17 | 11.2.4:h18 | 11.2.4:h2 | 11.2.4:h3 | 11.2.4:h4 | 11.2.4:h5 | 11.2.4:h6 | 11.2.4:h7 | 11.2.4:h8 | 11.2.4:h9 | 11.2.7 | 11.2.7:h1 | 11.2.7:h10 | 11.2.7:h11 | 11.2.7:h12 | 11.2.7:h13 | 11.2.7:h14 | 11.2.7:h15 | 11.2.7:h16 | 11.2.7:h17 | 11.2.7:h2 | 11.2.7:h3 | 11.2.7:h4 | 11.2.7:h7 | 11.2.7:h8 | 11.2.10 | 11.2.10:h1 | 11.2.10:h10 | 11.2.10:h2 | 11.2.10:h3 | 11.2.10:h4 | 11.2.10:h5 | 11.2.10:h6 | 11.2.10:h7 | 11.2.10:h8 | 11.2.10:h9 | ≥ 12.1.2, < 12.1.4 | ≥ 12.1.5, < 12.1.7 | 12.1.4 | 12.1.4:h2 | 12.1.4:h3 | 12.1.4:h5 | 12.1.4:h6 | 12.1.4:h7 | 12.1.7 | 12.1.7:h1

2 vendors · 3 products

References

2 links