What’s Vulnerable › Vulnerabilities

CVE-2026-115729: @pdfme/common 5.5.10 before 6.2.6 SSRF via isUrlSafeToFetch Bypass

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-23 · updated 2026-10-29
• Weakness: CWE-918

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.

Affected products

• pdfme common: from 5.5.10 before 6.2.6 — fixed in 6.2.6

How to fix

Upgrade to a fixed version: pdfme common 6.2.6. Check the vendor advisory for mitigations.

References

• https://github.com/pdfme/pdfme/commit/d03d0bc4994ce6921e152879793c5ff52c5600a6
• https://github.com/pdfme/pdfme/security/advisories/GHSA-2rg9-wxfw-wrr7
• https://github.com/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qff
• https://www.vulncheck.com/advisories/pdfme-common-5.5.10-before-6.2.6-ssrf-via-isurlsafetofetch-bypass
• https://github.com/pdfme/pdfme/security/advisories/GHSA-2rg9-wxfw-wrr7

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