Advisory severityUnratedApache Software Foundation Updated

Advisory [CVE-2026-107460 +1] 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

This security Apache Software Foundation advisory covers CVE-2026-107460 and CVE-2026-49328; related products: Apache Fesod (Incubating).

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations. This bulletin covers 2 CVEs; its score, affected versions and guidance may apply to different issues within that bulletin.

CVE-2026-107460 Source published Oct 13, 2026Source updated Oct 13, 2026

VulniPulse record published Oct 13, 2026Record updated Oct 13, 2026

CVE-2026-107460 CVE-2026-49328

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Summary

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.

Affected versions

2.0.2

Official advisory · medium-confidence parse· fetched 1 day ago·verify at source

Fixed versions

2.0.2-incubating

Official advisory · medium-confidence parse· fetched 1 day ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users should upgrade to 2.1.0-incubating.

Official advisory · medium-confidence parse· fetched 1 day ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-107460 instead of the raw feed document.
CVE Program

Cross-references

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Official resources

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Official documentation
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Apache project downloads (fixed releases)
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