SharpCompress is a fully managed C# library to deal with many compression types and formats.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 26, 2026 · NIST NVD

   Detected

   SharpCompress is a fully managed C# library to deal with many compression types and formats. In 0.47.4 and earlier, a path traversal vulnerability in IArchive.WriteToDirectory() allows a malicious archive to create directories outside the intended extraction root. For TAR archives, this can be escalated to arbitrary file writes by chaining with a symlink entry, giving a full write primitive on the

2. Jul 24, 2026 · NIST NVD

   Updated

   SharpCompress is a fully managed C# library to deal with many compression types and formats. In 0.47.4 and earlier, a path traversal vulnerability in IArchive.WriteToDirectory() allows a malicious archive to create directories outside the intended extraction root. For TAR archives, this can be escalated to arbitrary file writes by chaining with a symlink entry, giving a full write primitive on the

Affected

• cpe adamhathcock/sharpcompressversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-44788

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-44788

  SharpCompress is a fully managed C# library to deal with many compression types and formats. In 0.47.4 and earlier, a path traversal vulnerability in IArchive.WriteToDirectory() allows a malicious archive to create directories outside the intended extraction root. For TAR archive

  nvd.nist.gov

References

• Exploit · github.com