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Back to active CVEs
Medium · CVSS 6.9CVE-2026-15580

PassPortal browser extension: vault token disclosure via unvalidated postMessageCVE-2026-15580

Answer in brief

CVE-2026-15580 records a Medium severity (CVSS 6.9) vulnerability in PassPortal browser extension: vault token disclosure via unvalidated postMessage. The current sources do not mark it as known exploited. The current feed maps N-able/PassPortal (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 Aug 21, 2026Updated Sep 8, 2026Source checked Oct 6, 2026First seen by HOL Aug 21, 2026Material review Sep 8, 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 N-able/PassPortal (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
N-able/PassPortalgeneric>=0 <3.49.63.49.6

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for N-able/PassPortal.
  2. 2Review the reported fix. Update N-able/PassPortal to 3.49.6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 21, 2026

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

  2. Source modified

    Sep 8, 2026

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

  3. First seen by HOL

    Aug 21, 2026

Sources and claim methodology

  • Source referenceme.n-able.com
Upstream source description

vault token disclosure via unvalidated postMessage vulnerability in N-able PassPortal allows Authentication Abuse. This issue affects the PassPortal browser extension: before 3.49.6.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Newell Brands DYMO ID document parsing failing file type extension authentication checkSame generic ecosystem
  • Newell Brands DYMO ID parent directory open to path traversal through improper spheres of controlSame generic ecosystem
  • Bake filesystem entitlement consent is skipped for certain secret and oci-layout definitionsSame generic ecosystem
  • Improper validation of Ops Manager configuration in MongoDB Kubernetes OperatorSame generic ecosystem
  • GraphQL Tools has prototype pollution in well-established utility function `mergeDeep`Same generic ecosystem
  • O2OA General url ActionUploadExcelWithUrl server-side request forgerySame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-1385
Source
CVE List V5
Source checked
Oct 6, 2026
References
1 linked source
Open source record