What is CVE-2026-108554?

CVE-2026-108554 is a medium-severity vulnerability in Pdfmathtranslate, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-10-10.

How severe is CVE-2026-108554?

Medium severity. CVSS v3 base score is 5.3 out of 10.

SSRF in Pdfmathtranslate

CVE-2026-108554

PDFMathTranslate (pdf2zh) through 1.9.11 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server fetch arbitrary URLs via the Link input. The translate_file handler passes user URLs to download_with_limit without scheme or address validation, letting attackers reach internal services and cloud metadata endpoints and retrieve returned PDFs.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-10-10.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Pdfmathtranslate

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/PDFMathTranslate/PDFMathTranslate/issues/1188 (issue-tracking)
github.com/PDFMathTranslate/PDFMathTranslate (product)
github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b… (technical-description)
github.com/PDFMathTranslate/PDFMathTranslate/blob/0f0618d3303d064d97e7adb77557b… (technical-description)
www.vulncheck.com/advisories/pdfmathtranslate-through-1.9.11-ssrf-via-gradio-we… (third-party-advisory)

Frequently asked questions

What is CVE-2026-108554?: CVE-2026-108554 is a medium-severity vulnerability in Pdfmathtranslate, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.3/10. Published 2026-10-10.
How severe is CVE-2026-108554?: Medium severity. CVSS v3 base score is 5.3 out of 10.