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Fencer Vulns
low 3.4

CVE-2026-34685 json

Adobe Commerce | Improper Input Validation (CWE-20)

published 2026-05-12 5 mo ago modified 2026-10-26 13 d ago also EUVD-2026-29780

cvss
3.4
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

Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. A high-privileged attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

Patch / fix

  • Adobe Adobe Commerce 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18
  • Adobe Adobe Commerce B2B 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18
  • Adobe Magento Open Source 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5 mo ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.4 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N

Affected products

  • Adobe Adobe Commerce
  • Adobe Adobe Commerce B2B
  • Adobe Magento Open Source

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns 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.