PT-2026-22101 · Copyparty · Copyparty

Iidk-The-Actual · CVE-2026-27948 · Published 2026-02-26 · Updated 2026-02-27

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Copyparty versions prior to 1.20.9

Description Copyparty is a portable file server susceptible to a cross-site scripting issue. A successful exploit allows for reflected cross-site scripting through the URL parameter ?setck=....

Recommendations Update to version 1.20.9 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-27948

GHSA-62CR-6WP5-Q43H

PYSEC-2026-2136

Affected Products

Copyparty

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27948.json · Exploit
• https://github.com/9001/copyparty/commit/31b2801fd041f803f4a3d5c12c7d7cb5419048bc · Patch
• https://github.com/9001/copyparty/security/advisories/GHSA-62cr-6wp5-q43h · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-27948 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-2136 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27948 · Security Note
• https://osv.dev/vulnerability/GHSA-62cr-6wp5-q43h · Vendor Advisory
• https://github.com/9001/copyparty · Note
• https://github.com/9001/copyparty/releases/tag/v1.20.9 · Note
• https://reddit.com/r/VulnMatter/comments/1rge3fn/resumen_diario_de_vulnerabilidades_27022026 · Reddit Post
• https://twitter.com/_cvereports/status/2027219716222095377 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1rgdws5/resumen_diario_de_vulnerabilidades_27022026 · Reddit Post
• https://twitter.com/VulmonFeeds/status/2026975544605016234 · Twitter Post
• https://twitter.com/CVEnew/status/2027004217777430603 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1rgdxmv/resumen_diario_de_vulnerabilidades_27022026 · Reddit Post