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CVE Vulnerability Details :
CVE-2026-22903
PUBLISHED
More InfoOfficial Page
Assigner-CERTVDE
Assigner Org ID-270ccfa6-a436-4e77-922e-914ec3a9685c
View Known Exploited Vulnerability (KEV) details
Published At-09 Feb, 2026 | 07:39
Updated At-09 Feb, 2026 | 15:36
Rejected At-
▼CVE Numbering Authority (CNA)
Stack Overflow via SESSIONID Cookie in lighttpd

An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections.

Affected Products
Vendor
WAGO
Product
0852-1322
Default Status
unaffected
Versions
Affected
  • From 0.0.0 through 2.64 (semver)
Vendor
WAGO
Product
0852-1328
Default Status
unaffected
Versions
Affected
  • From 0.0.0 through 2.64 (semver)
Vendor
WAGO
Product
0852-1322
Default Status
unaffected
Versions
Affected
  • 2.64
Vendor
WAGO
Product
0852-1328
Default Status
unaffected
Versions
Affected
  • 2.64
Problem Types
TypeCWE IDDescription
CWECWE-121CWE-121 Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-121
Description: CWE-121 Stack-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Diconium
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://certvde.com/de/advisories/VDE-2026-004
N/A
Hyperlink: https://certvde.com/de/advisories/VDE-2026-004
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found