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  4. CVE 2026 121730 emailflare before commit cf31f33 missing
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Back to active CVEs
High · CVSS 7.1CVE-2026-121730

emailflare before commit cf31f33 Missing Authorization via Inbox Compose EndpointCVE-2026-121730

Answer in brief

CVE-2026-121730 records a High severity (CVSS 7.1) vulnerability in emailflare before commit cf31f33 Missing Authorization via Inbox Compose Endpoint. The current sources do not mark it as known exploited. The current feed maps 0xdps/emailflare (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 3, 2026Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Nov 3, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. 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 0xdps/emailflare (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
0xdps/emailflaregeneric>=0 <cf31f33bbb4a324d5353b8a5db0312fedc19618fcf31f33bbb4a324d5353b8a5db0312fedc19618f

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for 0xdps/emailflare.
  2. 2Review the reported fix. Update 0xdps/emailflare to cf31f33bbb4a324d5353b8a5db0312fedc19618f if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 3, 2026

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

  2. Source modified

    Nov 3, 2026

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

  3. First seen by HOL

    Nov 3, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

emailflare before commit cf31f33 contains a missing authorization vulnerability in POST /api/inbox/compose that allows authenticated members to send mail as any sender address. Attackers can supply an arbitrary from field, which is passed unchecked to the Cloudflare send call, to impersonate other users or the organization to external recipients.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • emailflare before commit cf31f33 Missing Authorization via /api/keys RoutesSame 0xdps/emailflare package
  • Tanium addressed an improper access controls vulnerability in Enforce.Also CWE-862
  • SourceHut meta.sr.ht 0.56.11 before 0.89.0 Registration Authorization Bypass via /register/step2Also CWE-862

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-862
Source
CVE List V5
Source checked
Nov 3, 2026
References
4 linked sources
Open source record