9.1

CVE-2026-64863: goshs --no-delete WebDAV MOVE bypass allows file deletion/overwrite

Deferred
AliasesGHSA-hq33-8jgp-8qq3GO-2026-6136
Published 28-07-2026Last modified 29-07-2026

Vulnerability summary

CVE-2026-64863 is a critical (CVSS 9.1) Improper Access Control vulnerability in goshs-labs goshs. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.63%
0%100%
Low · +0.27 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 28-07-2026
    PublishedVulnerability first disclosed.
  2. 29-07-2026
    Last modifiedVulnerability information updated.

Description

goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.4, the httpserver/server.go wdGuard handled WebDAV MOVE as a write-only method and did not enforce --no-delete, allowing WebDAV clients to delete or overwrite files via MOVE with Overwrite: T. This issue is fixed in version 2.1.4.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.63%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

Increase +0.27 pp

From 0.36% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/patrickhener1 product
  • goshs≤ 1.1.4 | All versions (No fix recorded)
Github.com/patrickhener/goshs1 product
  • v2< 2.1.4
Goshs-labs1 product
Goshs.de1 product
  • goshs≤ 1.1.4 | All versions (No fix recorded)
Goshs.de/goshs1 product
  • v2< 2.1.4

5 vendors · 5 products

References

4 links