CVE-2026-0259 (GCVE-0-2026-0259)

Vulnerability from cvelistv5 – Published: 2026-05-13 18:05 – Updated: 2026-05-13 18:57
VLAI?
Title
WildFire WF-500 and WF-500-B: Arbitrary File Read and Delete Vulnerability in WildFire Appliance (WF-500, WF-500-B)
Summary
An arbitrary File Read and Delete Vulnerability in Palo Alto Networks WildFire® WF-500 and WF-500-B appliances enables users to read sensitive information and delete arbitrary files. This vulnerability affects WF-500 and WF-500-B appliances running in the default non-FIPS configuration mode. The WildFire Appliance (WF-500, WF-500-B) software update is now available to customers that use the WildFire Appliance (WF-500, WF-500-B) for on-premise sandboxing. Please note that customers using the WildFire Public cloud service are NOT impacted by this vulnerability.
CWE
  • CWE-73 - External Control of File Name or Path
Assigner
References
Impacted products
Vendor Product Version
Palo Alto Networks WildFire WF-500 and WF-500-B Affected: 12.1.0 , < 12.1.7, 12.1.4-h5 (custom)
Affected: 11.2.0 , < 11.2.11,11.2.7-h7 (custom)
Affected: 11.1.0 , < 11.1.13,11.1.10-h8 (custom)
Affected: 10.2.0 , < 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34 (custom)
Create a notification for this product.
Date Public ?
2026-05-13 16:00
Credits
Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.
Show details on NVD website

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    "vulnrichment": {
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\"product\": \"WildFire WF-500 and WF-500-B\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"12.1.7\", \"status\": \"unaffected\"}, {\"at\": \"12.1.4-h5\", \"status\": \"unaffected\"}], \"version\": \"12.1.0\", \"lessThan\": \"12.1.7, 12.1.4-h5\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.2.12\", \"status\": \"unaffected\"}, {\"at\": \"11.2.10-h6\", \"status\": \"unaffected\"}, {\"at\": \"11.2.7-h13\", \"status\": \"unaffected\"}, {\"at\": \"11.2.4-h17\", \"status\": \"unaffected\"}], \"version\": \"11.2.0\", \"lessThan\": \"11.2.11,11.2.7-h7\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.1.15\", \"status\": \"unaffected\"}, {\"at\": \"11.1.13-h5\", \"status\": \"unaffected\"}, {\"at\": \"11.1.10-h25\", \"status\": \"unaffected\"}, {\"at\": \"11.1.7-h6\", \"status\": \"unaffected\"}, {\"at\": \"11.1.6-h32\", \"status\": \"unaffected\"}, {\"at\": \"11.1.4-h33\", \"status\": 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                                 11.1.8 through 11.1.10-h*    Upgrade to 11.1.10-h25 or 11.1.15 or later.\\n                                    11.1.7 through 11.1.7-h*     Upgrade to 11.1.7-h6 or 11.1.15 or later.\\n                                    11.1.5 through 11.1.6-h*     Upgrade to 11.1.6-h32 or 11.1.15 or later.\\n                                    11.1.0 through 11.1.4-h*     Upgrade to 11.1.4-h33 or 11.1.15 or later.\\nWildFire WF-500 and WF-500-B 10.2   10.2.17 through 10.2.18-h*   Upgrade to 10.2.18-h6 or later.\\n                                    10.2.14 through 10.2.16-h*   Upgrade to 10.2.16-h7 or 10.2.18-h6 or later.\\n                                    10.2.11 through 10.2.13-h*   Upgrade to 10.2.13-h21 or 10.2.18-h6 or later.\\n                                    10.2.8 through 10.2.10-h*    Upgrade to 10.2.10-h36 or 10.2.18-h6 or later.\\n                                    10.2.0 through 10.2.7-h*     Upgrade to 10.2.7-h34 or 10.2.18-h6 or later.\\nWildFire 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Upgrade to a supported version.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003ctable class=\\\"tbl\\\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eVersion\u003c/th\u003e\u003cth\u003eMinor Version Range\u003c/th\u003e\u003cth\u003eSuggested Solution\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eWildFire WF-500 and WF-500-B 12.1\u003c/td\u003e\u003ctd\u003e12.1.5 through 12.1.6\u003c/td\u003e\u003ctd\u003eUpgrade to 12.1.7 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e12.1.2 through 12.1.4-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 12.1.4-h5 or 12.1.7 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eWildFire WF-500 and WF-500-B 11.2\u003c/td\u003e\u003ctd\u003e11.2.11 or later\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.8 through 11.2.10-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.10-h6 or 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.5 through 11.2.7-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.7-h13 or 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.0 through 11.2.4-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.4-h17 or 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eWildFire WF-500 and WF-500-B 11.1\u003c/td\u003e\u003ctd\u003e11.1.14 or later\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.11 through 11.1.13-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.13-h5 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.8 through 11.1.10-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.10-h25 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.7 through 11.1.7-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.7-h6 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.5 through 11.1.6-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.6-h32 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.0 through 11.1.4-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.4-h33 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eWildFire WF-500 and WF-500-B 10.2\u003c/td\u003e\u003ctd\u003e10.2.17 through 10.2.18-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 10.2.18-h6 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e10.2.14 through 10.2.16-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 10.2.16-h7 or 10.2.18-h6 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e10.2.11 through 10.2.13-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 10.2.13-h21 or 10.2.18-h6 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e10.2.8 through 10.2.10-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 10.2.10-h36 or 10.2.18-h6 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e10.2.0 through 10.2.7-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 10.2.7-h34 or 10.2.18-h6 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eWildFire WF-500 and WF-500-B 10.1\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e\u0026nbsp;All (EoL)\u003c/td\u003e\u003ctd\u003eNo fix planned. 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      "cveMetadata": "{\"cveId\": \"CVE-2026-0259\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-13T18:57:18.638Z\", \"dateReserved\": \"2025-11-03T20:44:19.922Z\", \"assignerOrgId\": \"d6c1279f-00f6-4ef7-9217-f89ffe703ec0\", \"datePublished\": \"2026-05-13T18:05:45.862Z\", \"assignerShortName\": \"palo_alto\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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