vulnerability / NVI-00019672 / Revision 1

ApostropheCMS: Archive duplicate continuation lets contributors overwrite published content

OSV carries this publisher advisory for @apostrophecms/import-export. This is an aggregated source copy; consult the original publisher and compare update dates.

source listedactiveGHSA-jf5h-36mg-rp6xCVE-2026-112956

This report has not inspected your inventory, configuration, deployed build, reachability or evidence. A catalog listing and a severity score do not establish exposure or compromise.

01 / Meaning

Why it matters

Published affected context helps an owner decide what evidence to gather. This report has not examined your application.

02 / Applicability

The affected context

Affected versions, configuration prerequisites and known exclusions are public. Confirm each one against the deployed service.

@apostrophecms/import-export

source listed

SEMVER: introduced 0; fixed 3.7.1

## Review scope and evidence limits Package: @apostrophecms/import-export, version 3.7.0. Release tag reviewed: @apostrophecms/import-export@3.7.0, commit 9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce (September 30, 2026). Current main reviewed: 5ce3732be0ebdebb4db0f8ef160c81e8671157e6. The importer, gzip extractor, import permission gate, and core permission implementation have no differences between that release tag and the reviewed main. This follow-up is a static remediation review. We have not repeated the original end-to-end reproductions against the latest release or tested a deployed site. Current exploitability and impact therefore still require maintainer validation; the observations below establish that the reported security checks remain absent in public source. The original emailed PDF contains the original reproduction material. Please refer to that existing private attachment. ## Archive duplicate continuation permits unauthorized published-content replacement The overrideDuplicates() continuation still accepts client-supplied replacement choices, rather than binding them to a server-maintained, user-owned duplicate analysis. The replacement and write helpers do not

GitHub Advisory Database via OSV

03 / Response

What to do next

vendor patch
The original advisory lists fixed boundaries 3.7.1 for @apostrophecms/import-export. Confirm the publisher’s latest guidance.
Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system. GitHub Advisory Database via OSV

A fixed release is not deployment evidence.

Check current vendor support and compatibility. After making a change, verify the deployed build and relevant runtime conditions. Keep the evidence, owner and time. An updated lockfile alone does not prove what is running.

04 / Limits

What this report cannot establish

Customer inventory, deployment, reachability and exploitation have not been inspected.

Read the collection and interpretation limits ↗

05 / Provenance

Sources you can inspect

Each assertion retains its source. Mirrored records may repeat one underlying publisher; additional links are not independent corroboration.

GHSA-jf5h-36mg-rp6x ↗
GitHub Advisory Database via OSV · vendor advisory
Observed Nov 7, 2026. GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.

Public revision history

Only published revisions appear here. Routine fetches do not create a material-change event.

Revision 1 · Nov 8, 2026
First indexed by Null; source disclosure date is shown separately.

Read the public revision data ↗