CVE-2026-66063Disclosure

LOWCVSS 6.5 · MEDIUM

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/updown.go multipart upload handler split part.FileName() on / but did not reject .., allowing an unauthenticated upload with filename .. to create a file outside the served tree. This issue is fixed in version 2.1.5.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-22

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-07-29: 3Patch / Workaround · 2026-07-29: 1Technical Details · 2026-07-29: 207-29
Signal classification2 categories
Disclosure
266.7%
Patch
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • Israel@f1tym1
    Patch

    CVE-2026-66063 allows unauthenticated directory traversal and arbitrary file writes in goshs prior to 2․1․5, fixed in version 2․1․5. https://ift.tt/dXLWMRV

    Post summary

    The text highlights CVE-2026-66063, a directory traversal and file‑write flaw in goshs versions before 2.1.5, and notes it has been fixed in version 2.1.5.

    0000049
    1.0K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-66063 goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/updown.go multipart upload handler split part.FileNam… https://www.cve.org/CVERecord?id=CVE-2026-66063 ----- Traducción: CVE-2026-66063 gos… http://infoflow.cloud`

    Post summary

    The text announces CVE-2026-66063 affecting the goshs file server, providing minimal information about the issue, and does not include a PoC, exploitation code, or mitigation details.

    0000029
    96 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-66063 goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/updown.go multipart upload handler split part.FileNam… https://www.cve.org/CVERecord?id=CVE-2026-66063

    Post summary

    The post announces CVE-2026-66063 in goshs, detailing a flaw in the multipart upload handler, but offers no evidence of exploitation, remediation, or PoC.

    000001.8K
    57.9K followersView on X

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