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TI-2025-27553 Aliases CVE-2025-41368GHSA-gm55-992f-6xm4

Multiple vulnerabilities in Small HTTP server by Smallsrv

Priority MEDIUM 47CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Problem in the Small HTTP Server v3.06.36 service. An authenticated path traversal vulnerability in '/' allows remote users to bypass the intended restrictions of SecurityManager and display any file if they have the appropriate permissions outside the document root configured on the server.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00624 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SmallsrvSmall HTTP3.06.36—No fix listedCNA
  • Small HTTP VendorSmallsrv Affected 3.06.36 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:smallsrv:small_http_server:*:*:*:*:*:*:*:*3.06.36 to before 3.06.38VulnerableSmallsrv
  • cpe:2.3:a:smallsrv:small_http_server:*:*:*:*:*:*:*:* Versions 3.06.36 to before 3.06.38 Vulnerable ·Smallsrv

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-41368
  2. 2026-10-03 Alias added: GHSA-gm55-992f-6xm4
  3. 2026-11-04 EPSS moved to the 50th–90th percentile

References

Patch 1

  • TI-2022-11574 Small HTTP Server version 3.06 suffers from a remote buffer overflow vulnerability via long GET request. CVSS 3.1CRITICAL 9.8
  • TI-2025-27544 Multiple vulnerabilities in Small HTTP server by Smallsrv CVSS 4.0HIGH 8.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences