CVE-2026-82866 json
@pdfme/common before 5.5.10 SSRF via Unvalidated URL Fetch
published 2026-03-20 7 mo ago modified 2026-10-24 16 d ago also GHSA-pgx6-7jcq-2qff , EUVD-2026-68401
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
@pdfme/common before 5.5.10 contains a server-side request forgery vulnerability in the getB64BasePdf function that fetches arbitrary URLs without validation when basePdf is attacker-controlled. Attackers who control the basePdf template field can force servers or clients to make requests to internal endpoints, enabling metadata exfiltration, network reconnaissance, and blind request forgery attacks.
Patch / fix
- npm @pdfme/common 5.5.10
- pdfme common 5.5.10
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qff referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.9 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N |
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |
| CNA | 4.0 | 8.9 | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| GitHub | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @pdfme/common | <5.5.10 |
5.5.10 |
Affected products
- pdfme common
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/pdfme/pdfme/security/advisories/GHSA-pgx6-7jcq-2qff
vendor-advisory, exploit, web
-
vulncheck.com
/advisories/pdfme-common-before-5.5.10-ssrf-via-unvalidated-url-fetch
third-party-advisory
-
github.com
/pdfme/pdfme
package
Sources
- CVE List CVE-2026-82866
- GitHub Advisory GHSA-pgx6-7jcq-2qff
- NVD CVE-2026-82866
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