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  4. CVE 2026 114426 pre authentication upload parsing permits
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Back to active CVEs
High · CVSS 8.7CVE-2026-114426

Pre-authentication upload parsing permits resource exhaustionCVE-2026-114426

Answer in brief

CVE-2026-114426 records a High severity (CVSS 8.7) vulnerability in Pre-authentication upload parsing permits resource exhaustion. The current sources do not mark it as known exploited. The current feed maps SEPPmail AG/SEPPmail Secure Email Gateway (SEG) (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 4, 2026Updated Nov 4, 2026Source checked Nov 4, 2026First seen by HOL Nov 4, 2026Material review Nov 4, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps SEPPmail AG/SEPPmail Secure Email Gateway (SEG) (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
SEPPmail AG/SEPPmail Secure Email Gateway (SEG)generic>=0 <15.1.115.1.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for SEPPmail AG/SEPPmail Secure Email Gateway (SEG).
  2. 2Review the reported fix. Update SEPPmail AG/SEPPmail Secure Email Gateway (SEG) to 15.1.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 4, 2026

Sources and claim methodology

  • Source referencedocs.seppmail.com
Upstream source description

SEPPmail Secure Email Gateway before 15.1.1 processes and writes v1 file-interface upload data before authenticating the caller and without an absolute request-size limit. An unauthenticated remote attacker can occupy workers and consume temporary storage with concurrent or slow requests, causing service unavailability.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • LDAP wildcard injection exposes GINA recipient accountsSame seppmail ag/seppmail secure email gateway (seg) package
  • Empty initial password permits GINA account takeoverSame seppmail ag/seppmail secure email gateway (seg) package
  • Code execution through double evaluation in address replacement rulesSame seppmail ag/seppmail secure email gateway (seg) package
  • Forged LFT metadata permits arbitrary file read and deletionSame seppmail ag/seppmail secure email gateway (seg) package

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-400
Source
CVE List V5
Source checked
Nov 4, 2026
References
1 linked source
Open source record