{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107460", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-10-08T05:52:18.687Z", "datePublished": "2026-10-13T14:16:02.556Z", "dateUpdated": "2026-10-13T14:16:02.556Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-13T14:16:02.556Z"}, "title": "Apache Fesod (Incubating): UrlImageConverter SSRF protection bypass via DNS rebinding", "problemTypes": [{"descriptions": [{"description": "CWE-918 Server-Side Request Forgery (SSRF)", "lang": "en", "cweId": "CWE-918", "type": "CWE"}]}], "source": {"discovery": "EXTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Fesod (Incubating)", "packageURL": "pkg:maven/org.apache.fesod/fesod-sheet", "versions": [{"status": "affected", "version": "2.0.2-incubating", "versionType": "semver"}], "defaultStatus": "unaffected", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.fesod:fesod-sheet"}], "descriptions": [{"value": "Server-Side Request Forgery (SSRF) protection in the UrlImageConverter component of Apache Fesod (Incubating) fesod-sheet 2.0.2-incubating can be bypassed through DNS rebinding. When an application accepts an attacker-controlled image URL for spreadsheet writing, the converter checks the hostname's resolved IP addresses and then opens a separate connection that can resolve the hostname again. An attacker who controls DNS responses for the URL hostname may cause the connection to reach a restricted address after validation. CVE-2026-49328 covers SSRF in releases before 2.0.2-incubating; this issue is a DNS rebinding bypass of the protection in 2.0.2-incubating. Apache Fesod (Incubating) 2.1.0-incubating addresses the reported default-fetch scenario by disabling remote URL image fetching by default and requiring an explicit exact-host allowlist when the feature is enabled. Users should upgrade to 2.1.0-incubating. Applications enabling remote URL image fetching should allowlist only hostnames whose DNS and HTTP services are trusted.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Server-Side Request Forgery (SSRF) protection in the UrlImageConverter component of Apache Fesod (Incubating) fesod-sheet 2.0.2-incubating can be bypassed through DNS rebinding. When an application accepts an attacker-controlled image URL for spreadsheet writing, the converter checks the hostname's resolved IP addresses and then opens a separate connection that can resolve the hostname again. An attacker who controls DNS responses for the URL hostname may cause the connection to reach a restricted address after validation. CVE-2026-49328 covers SSRF in releases before 2.0.2-incubating; this issue is a DNS rebinding bypass of the protection in 2.0.2-incubating. Apache Fesod (Incubating) 2.1.0-incubating addresses the reported default-fetch scenario by disabling remote URL image fetching by default and requiring an explicit exact-host allowlist when the feature is enabled. Users should upgrade to 2.1.0-incubating. Applications enabling remote URL image fetching should allowlist only hostnames whose DNS and HTTP services are trusted."}]}], "references": [{"url": "https://github.com/apache/fesod/pull/1035", "tags": ["patch"]}, {"url": "https://github.com/apache/fesod/releases/tag/2.1.0-incubating", "tags": ["release-notes"]}, {"url": "https://cve.org/CVERecord?id=CVE-2026-49328", "tags": ["related"]}, {"url": "https://lists.apache.org/thread/oh706yhm32hmw8vx4kh1948h952pfr83", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "moderate"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Venkatraman Kumar", "type": "reporter"}, {"lang": "en", "value": "Wenhao Zeng", "type": "reporter"}, {"lang": "en", "value": "Wanxin Yin", "type": "reporter"}, {"lang": "en", "value": "George Chen", "type": "reporter"}, {"lang": "en", "value": "Zeka Irving (Thresh)", "type": "reporter"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.fesod:fesod-sheet", "packageURL": "pkg:maven/org.apache.fesod/fesod-sheet", "product": "Apache Fesod (Incubating)", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "2.0.2-incubating", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Server-Side Request Forgery (SSRF) protection in the UrlImageConverter component of Apache Fesod (Incubating) fesod-sheet 2.0.2-incubating can be bypassed through DNS rebinding. When an application accepts an attacker-controlled image URL for spreadsheet writing, the converter checks the hostname's resolved IP addresses and then opens a separate connection that can resolve the hostname again. An attacker who controls DNS responses for the URL hostname may cause the connection to reach a restricted address after validation. CVE-2026-49328 covers SSRF in releases before 2.0.2-incubating; this issue is a DNS rebinding bypass of the protection in 2.0.2-incubating. Apache Fesod (Incubating) 2.1.0-incubating addresses the reported default-fetch scenario by disabling remote URL image fetching by default and requiring an explicit exact-host allowlist when the feature is enabled. Users should upgrade to 2.1.0-incubating. Applications enabling remote URL image fetching should allowlist only hostnames whose DNS and HTTP services are trusted."}], "id": "CVE-2026-107460", "lastModified": "2026-10-13T15:17:31.657", "metrics": {}, "published": "2026-10-13T15:17:31.657", "references": [{"source": "security@apache.org", "url": "https://cve.org/CVERecord?id=CVE-2026-49328"}, {"source": "security@apache.org", "url": "https://github.com/apache/fesod/pull/1035"}, {"source": "security@apache.org", "url": "https://github.com/apache/fesod/releases/tag/2.1.0-incubating"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread/oh706yhm32hmw8vx4kh1948h952pfr83"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security@apache.org", "type": "Primary"}]}

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