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VulnerabilityPublished

CVE-2026-128043: OpenMage magento-lts · Cross-Site Request Forgery (CSRF)

Affects OpenMage magento-ltsSource CVE Database V5

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Not known to be exploited · CVSS 2.3 Low : upgrade to 20.19.0 when convenient.

Data as of 13 Nov 2026, 09:59 UTC

CVSS 4.0 base score
2.3Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.02.3
CNA (VulnCheck)CVSS 3.13.1
Patch
Available – fixed in 20.19.0, 21.0.0-beta3
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade magento-lts to 20.19.0; magento-lts to 21.0.0-beta3; openmage/magento-lts to 21.0.0-beta3 or 20.19.0.

Affected software

ProductAffectedFixed in
OpenMagemagento-ltsAffected
  • <20.19.0
Fixed in
  • 20.19.0
OpenMagemagento-ltsAffected
  • >=21.0.0-beta1 <21.0.0-beta3
Fixed in
  • 21.0.0-beta3
GitHubopenmage/magento-ltspkg:github/openmage/magento-ltsOther threatsAffected
  • <20.19.0
  • >=21.0.0-beta1 <21.0.0-beta3
Fixed in
  • 20.19.0
  • 21.0.0-beta3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade OpenMage magento-lts to version 20.19.0 or later, or 21.0.0-beta3 or later, where this CSRF vulnerability has been fixed. No other specific mitigations are indicated.

Description

CVE-2026-128043 is a low-severity cross-site request forgery (CSRF) vulnerability in OpenMage magento-lts versions before 20.19.0 and 21.0.0-beta3. The flaw exists in the PayPal cancel and decline return handlers, which rely solely on the checkout session without verifying that requests originate from PayPal. An attacker can exploit this by tricking a shopper into visiting a crafted URL that cancels their uninvoiced order, voids pending authorizations, and restores items to the cart.

References

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