RCE in Zapolnoch Tesseract Ocr
CVE-2026-26832
node-tesseract-ocr is an npm package that provides a Node.js wrapper for Tesseract OCR. In all versions through 2.2.1, the recognize() function in src/index.js is vulnerable to OS Command Injection. The file path parameter is concatenated into a shell command string and passed to child_process.exec() without proper sanitization
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.026 · change: +0.009
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.npmjs.com/package/node-tesseract-ocr (Product)
- github.com/zapolnoch/node-tesseract-ocr (Product)
- github.com/zapolnoch/node-tesseract-ocr/blob/master/src/index.js (Product)
- github.com/zebbernCVE/CVE-2026-26832 (Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2026-26832?
- CVE-2026-26832 is a critical-severity vulnerability in Zapolnoch Tesseract Ocr, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-25.
- How severe is CVE-2026-26832?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-26832 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.