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Robokassa payment for WooCommerce < 1.9.0 - Unauthenticated Arbitrary Order Status Change to Failed

Type: advisorySource: Official CVE List1 source record

The Robokassa payment gateway for Woocommerce WordPress plugin before 1.9.0 does not verify the authenticity of an incoming payment-notification request before acting on the order named in it, allowing unauthenticated attackers to force any WooCommerce order into a failed state. Order identifiers are sequential, so every order in the shop can be taken out of the fulfilment queue one request at a time.

Announced Source revision 1
Original source ↗

CVE-2026-91076

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-91076

Robokassa payment gateway for Woocommerce

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Unknown",
    "product": "Robokassa payment gateway for Woocommerce",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.9.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-91076

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#28659 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement