CVE-2026-26832: node-tesseract-ocr is an npm package that provides a Node.js wrapper for Tesseract OCR

Q: How do I fix CVE-2026-26832?

tesseract ocr: upgrade to newer than 2.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-26832 being exploited?

CVE-2026-26832 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-26832 affect?

CVE-2026-26832 affects tesseract ocr. Severity is critical (CVSS 9.8). 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 i

Q: How urgent is CVE-2026-26832?

Priority 62/100. Critical severity; CISA SSVC: public proof of concept; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-26832 is a critical-severity flaw (CVSS 9.8) affecting tesseract ocr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity
CISA SSVC: public proof of concept
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-03-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zapolnoch

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-25 16:16 UTCPublished CVE record published
2026-06-17 10:26 UTCUpdated Record last modified

zapolnoch tesseract ocr UPGRADE

Affected: <= 2.2.1

Fixed in: newer than 2.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls tesseract-ocr

2. UPGRADE to newer than 2.2.1

npm install tesseract-ocr@">2.2.1"

Exact fixes by distribution

npm · node-tesseract-ocr · NO FIX YET · vulnerable: <= 2.2.1 · source

Fedora ELN · perl-Encode · FIXED · 3.25-528.eln159 · FEDORA-2026-79991d0238 · source

sudo dnf upgrade --advisory=FEDORA-2026-79991d0238

Fedora 46 · fonttools · FIXED · 4.68.0-1.fc46 · FEDORA-2026-65d6c01c75 · source

sudo dnf upgrade --advisory=FEDORA-2026-65d6c01c75

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: zebbernCVE/CVE-2026-26832 (0 stars)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-26832?

tesseract ocr: upgrade to newer than 2.2.1. Exact commands for each OS are on this page.

Is CVE-2026-26832 being exploited?

CVE-2026-26832 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-26832 affect?

CVE-2026-26832 affects tesseract ocr. Severity is critical (CVSS 9.8). 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 i

How urgent is CVE-2026-26832?

Priority 62/100. Critical severity; CISA SSVC: public proof of concept; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities · npm packages vulnerabilities

Related CVEs

CVE-2026-88051 HIGH 7.8 UPGRADE Tesseract is an open source OCR engine
CVE-2026-88052 HIGH 7.8 UPGRADE Tesseract is an open source OCR engine
CVE-2026-88053 HIGH 7.8 UPGRADE Tesseract is an open source OCR engine
CVE-2026-88054 MEDIUM 5.5 UPGRADE Tesseract is an open source OCR engine
CVE-2026-88050 MEDIUM 5.5 UPGRADE Tesseract is an open source OCR engine

References

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