CVE-2026-0300
KEV の『悪用』には未遂(脆弱でない環境やハニーポットでの試行)が含まれ、特定の組織が侵害されたことを意味しない。
KEV の登録内容
- vulnerabilityName
- Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability
- vendorProject
- Palo Alto Networks
- product
- PAN-OS
- dateAdded
- 2026-05-06
- shortDescription
- Palo Alto Networks PAN-OS contains an out-of-bounds write vulnerability in the User-ID Authentication Portal (aka Captive Portal) service that can allow an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets.
- requiredAction
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Until the vendor releases an official fix, the following workaround should be implemented: - Restrict User-ID Authentication Portal access to only trusted zones. - Disable User-ID Authentication Portal if not required. 5/13/2026: Palo Alto has released a variety of patches. If these are relevant to your environment, please apply the designated patch.
- dueDate
- 2026-05-09
- knownRansomwareCampaignUse
- Unknown
- forensicTriage
- No
- notes
- https://security.paloaltonetworks.com/CVE-2026-0300 ; https://nvd.nist.gov/vuln/detail/CVE-2026-0300
- cwes
- CWE-787
観測した変更
取り込み開始以降、KEV の値の変更は観測していません。
CVE レコード(CVE Program)
- state
- PUBLISHED
- datePublished
- dateUpdated
CNA の affected
- Palo Alto Networks Cloud NGFW
- Palo Alto Networks PAN-OS
- Palo Alto Networks Prisma Access
ベンダー公表へのリンク(CNA の references のうち vendor-advisory)
リンク先の本文は取得・解析していません。
外部のページ
出典: CISA Known Exploited Vulnerabilities Catalog(CISA KEV。CC0 1.0)。 詳しくは出典表記とライセンス。
出典: CVE Program(CVE レコード)。詳しくは出典表記とライセンス。
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