6.5

CVE-2026-78536: robokassa robokassa payment gateway for woocommerce Missing Authorization

CVSS: 6.5v3.1MediumDeferred
Published 10-09-2026Last modified 10-09-2026
Open JSON

Vulnerability summary

CVE-2026-78536 is a medium (CVSS 6.5) Missing Authorization vulnerability in robokassa robokassa payment gateway for woocommerce. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.9% of scored vulnerabilities. Fixed in 1.9.0.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-09-2026
    PublishedVulnerability first disclosed.
  2. 10-09-2026
    Last modifiedVulnerability information updated.

Description

Unauthenticated Broken Access Control in Robokassa payment gateway for Woocommerce <= 1.8.9 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

+0.08 pp

From 0.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Robokassa1 product
Wordpress1 product
  • robokassa≤ 1.8.9 (fixed in 1.9.0)

2 vendors · 2 products

References

2 links