Medium severity6.8NVD Advisory· Published Oct 23, 2026
CVE-2026-115729
CVE-2026-115729
Description
@pdfme/common from 5.5.10 before 6.2.6 contains a server-side request forgery vulnerability that allows attackers to bypass the isUrlSafeToFetch denylist in getB64BasePdf. Attackers can supply basePdf URLs using IPv4-mapped IPv6, [::], NAT64 or localhost alias hostnames to read loopback, internal or cloud metadata responses through generated documents.
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Affected products
1Patches
Vulnerability mechanics
References
4- github.com/pdfme/pdfme/commit/d03d0bc4994ce6921e152879793c5ff52c5600a6nvd
- github.com/pdfme/pdfme/security/advisories/GHSA-2rg9-wxfw-wrr7nvd
- github.com/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qffnvd
- www.vulncheck.com/advisories/pdfme-common-5.5.10-before-6.2.6-ssrf-via-isurlsafetofetch-bypassnvd
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