CVE-2026-82866
SSRF in @pdfme/common allows fetching arbitrary URLs from attacker-controlled templates.
Is CVE-2026-82866 being exploited?
Not confirmed. CVE-2026-82866 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.22% probability of exploitation in the next 30 days.
How severe is CVE-2026-82866?
CVE-2026-82866 is rated High with a CVSS score of 8.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-82866?
Yes. A fix has been recorded for CVE-2026-82866. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-82866 affect?
CVE-2026-82866 affects @pdfme/common < 5.5.10, Node.js apps using pdfme for PDF templates, Servers rendering attacker-controlled PDFs. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-82866?
Upgrade to @pdfme/common >= 5.5.10; validate/sanitize basePdf and restrict outbound requests.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
SSRF: attacker-controlled basePdf can force server/client to request internal/remote URLs, enabling metadata exfiltration, internal recon, and blind request forgery.
Patch when possible
- affected< 5.5.10
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.