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Fencer Intel
medium 4.3

CVE-2026-128033 json

OpenMage magento-lts before 20.18.2 Information Disclosure via Order-Status RSS Feed

published 19d ago modified yesterday also EUVD-2026-125069 , GHSA-wmwx-442r-jc88

Unreviewed: the maintainers' own advisory

Published by the maintainers on their GitHub repository OpenMage/magento-lts. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

OpenMage magento-lts before 20.18.2 and 21.0.0-beta1 before 21.0.0-beta3 contains an information disclosure vulnerability in Mage_Rss_Model_Resource_Order::getAllCommentCollection(), which omits the is_visible_on_front filter for invoice, shipment and credit-memo comments. Authenticated customers can open the /rss/order/status feed for their order to read internal staff comments, such as fraud-review and payment notes.

Patch / fix

  • OpenMage magento-lts 20.18.2, 21.0.0-beta3

Is CVE-2026-128033 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
yesterday

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by version score vector
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • OpenMage magento-lts

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

The maintainers of OpenMage/magento-lts published their own advisory on GitHub. Reviewed sources take precedence over it.