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  4. CVE 2026 122139 blueprintue self hosted edition before 433
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Back to active CVEs
Medium · CVSS 6.9CVE-2026-122139

blueprintUE Self-Hosted Edition before 4.3.3 Account Enumeration via Password ResetCVE-2026-122139

Answer in brief

CVE-2026-122139 records a Medium severity (CVSS 6.9) vulnerability in blueprintUE Self-Hosted Edition before 4.3.3 Account Enumeration via Password Reset. The current sources do not mark it as known exploited. The current feed maps blueprintue/blueprintue-self-hosted-edition (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
Medium · CVSS 6.9
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.9. 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 blueprintue/blueprintue-self-hosted-edition (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
blueprintue/blueprintue-self-hosted-editiongeneric>=0 <4.3.34.3.3

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for blueprintue/blueprintue-self-hosted-edition.
  2. 2Review the reported fix. Update blueprintue/blueprintue-self-hosted-edition to 4.3.3 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

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

blueprintUE Self-Hosted Edition before 4.3.3 contains an account enumeration vulnerability in ForgotPasswordMiddleware.php that allows unauthenticated attackers to identify registered email addresses. Attackers can compare password reset redirect targets for submitted emails, and failed lookups are never rate-limited, enabling unlimited enumeration attempts.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Open edX: Support "manage_course_team" REST API omits the `require_support_permission` gate its sibling support views enforceAlso CWE-204

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-204
Source
CVE List V5
Source checked
Nov 4, 2026
References
6 linked sources
Open source record