SSRF in Pdfmake
CVE-2026-26801
Server-Side Request Forgery (SSRF) vulnerability in pdfmake versions 0.3.0-beta.2 through 0.3.5 allows a remote attacker to obtain sensitive information via the src/URLResolver.js component. The fix was released in version 0.3.6 which introduces the setUrlAccessPolicy() method allowing server operators to define URL access rules. A warning is now logged when pdfmake is used server-side without a policy configured.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Pdfmake — versions 0.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/bpampuch/pdfmake (Product)
- github.com/bpampuch/pdfmake/blob/master/src/URLResolver.js (Product)
- github.com/bpampuch/pdfmake/releases/tag/0.3.6 (Release Notes)
- github.com/bpampuch/pdfmake/pull/2920 (Patch, Issue Tracking)
- mariopepe.github.io/cve-2026-26801-pdfmake-ssrf (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-26801?
- CVE-2026-26801 is a high-severity vulnerability in Pdfmake, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-03-10.
- How severe is CVE-2026-26801?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2026-26801 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.