CVE-2026-31802

🛡️ CVE-2026-31802 - Simple Proof of Concept Viewer 📋 About CVE-2026-31802 This repository provides a proof of concept PoC and write-up for CVE-2026-31802. The issue is a security vulnerability in the npm tar package. It allows attackers to trick the software into writing files outside its allowed...

CVE-2026-31802

CVE-2026-31802: tar Symlink Path Traversal / Arbitrary File Overwrite Research: Joshua van Rijswijk Description This repository contains my proof of concept and write-up for CVE-2026-31802 , a high-severity vulnerability in the npm tar package node-tar affecting versions = 7.5.10. I found that ta...

npm-tar-path-traversal-scanner

CVE-2026-31802 — npm tar Path Traversal Scanner Detects npm packages vulnerable to CVE-2026-31802 , a path traversal vulnerability in the tar npm package that allows arbitrary file writes during archive extraction. Features Scans package-lock.json for vulnerable tar versions Checks nodemodules fo...

Oracle Linux 9 : nodejs:24 (ELSA-2026-47057)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-47057 advisory. - Fix CVE-2026-59873, CVE-2026-59874 node-tar in npm's bundled tar - Fix CVE-2026-13149 brace-expansion in npm's bundled brace-expansion Tenable has...

Oracle Linux 9 : nodejs:22 (ELSA-2026-47058)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-47058 advisory. - Fix CVE-2026-59873, CVE-2026-59874 node-tar by rebasing npm's bundled tar to 7.5.19 - Fix CVE-2026-13149 brace-expansion in npm's bundled...

Allocation of Resources Without Limits or Throttling

Overview org.webjars.npm:tar is a full-featured Tar for Node.js. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the lack of enforced upper bounds on total decompressed data, entry counts, or decompression ratio in extraction and...

NPM: node-tar applies PAX size override to intermediary GNU long-name/long-link headers, causing tar parser interpretation differential (file smuggling)

NPM: node-tar applies PAX size override to intermediary GNU long-name/long-link headers, causing tar parser interpretation differential file smuggling vulnerability discovered by ? in WordPress Npm tar versions = 7.5.15...

org.webjars.npm:canvas (>=2.5.0, <=2.6.0), org.webjars.npm:color-thief (2.2.5) +12 more potentially affected by CVE-2026-53655 via org.webjars.npm:tar (>=0.1.20, <=4.4.19)

org.webjars.npm:tar MAVEN version =0.1.20, =2.5.0, =0.97.5, =0.2.0, =3.4.0, =0.6.19, =2.0.0, =3.1.4, =3.4.1 - org.webjars.npm:tar.gz 1.0.7 Source cves: CVE-2026-53655 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-17342363...

Exploit for Path Traversal in Isaacs Tar

🛡️ CVE-2026-31802 - Simple Proof of Concept Viewer !Downloa...

org.webjars.npm:canvas (>=2.5.0, <=2.6.0), org.webjars.npm:color-thief (2.2.5) +12 more potentially affected by CVE-2026-26960 via org.webjars.npm:tar (>=0.1.20, <=4.4.19)

org.webjars.npm:tar MAVEN version =0.1.20, =2.5.0, =0.97.5, =0.2.0, =3.4.0, =0.6.19, =2.0.0, =3.1.4, =3.4.1 - org.webjars.npm:tar.gz 1.0.7 Source cves: CVE-2026-26960 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-15307073...

org.webjars.npm:canvas (>=2.5.0, <=2.6.0), org.webjars.npm:color-thief (2.2.5) +12 more potentially affected by CVE-2026-24842 via org.webjars.npm:tar (>=0.1.20, <=4.4.19)

org.webjars.npm:tar MAVEN version =0.1.20, =2.5.0, =0.97.5, =0.2.0, =3.4.0, =0.6.19, =2.0.0, =3.1.4, =3.4.1 - org.webjars.npm:tar.gz 1.0.7 Source cves: CVE-2026-24842 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-15127356...