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TI-2026-18392 Aliases CVE-2026-22905GHSA-q9j9-8wv2-gff4

Authentication Bypass via URI Traversal

Priority MEDIUM 40CWE-22Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

An unauthenticated remote attacker can bypass authentication by exploiting insufficient URI validation and using path traversal sequences (e.g., /js/../cgi-bin/post.cgi), gaining unauthorized access to protected CGI endpoints and configuration downloads.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00696 53rd 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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
WAGO0852-13220.0.0 – 2.64—No fix listedCNA
WAGO0852-13280.0.0 – 2.64—No fix listedCNA
WAGO0852-13222.64—No fix listedCNA
WAGO0852-13282.64—No fix listedCNA
  • 0852-1322 VendorWAGO Affected 0.0.0 – 2.64 Fixed in — No fix listed CNA
  • 0852-1328 VendorWAGO Affected 0.0.0 – 2.64 Fixed in — No fix listed CNA
  • 0852-1322 VendorWAGO Affected 2.64 Fixed in — No fix listed CNA
  • 0852-1328 VendorWAGO Affected 2.64 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22905
  2. 2026-10-03 Alias added: GHSA-q9j9-8wv2-gff4
  3. 2026-10-07 EPSS moved to the 50th–90th percentile

References

  • TI-2023-01594 WAGO: WBM Command Injection in multiple products CVSS 3.1CRITICAL 9.8
  • TI-2020-06893 eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions. CVSS 3.1CRITICAL 9.8
  • TI-2018-09314 An issue was discovered on WAGO e!DISPLAY 762-3000 through 762-3003 devices with firmware… CVSS 3.1HIGH 8.8
  • TI-2025-18921 Unauthenticated File Read via Web Interface CVSS 3.1MEDIUM 4.9
  • TI-2026-18391 Stack Overflow via Oversized Cookie Fields in lighttpd CVSS 3.1CRITICAL 9.8
  • TI-2026-18390 Stack Overflow via SESSIONID Cookie in lighttpd CVSS 3.1CRITICAL 9.8
See all 145 →

Sources