CVE-2026-21449
Bagisto is vulnerable to SSTI via name parameters provided by non-admin low-privilege users
8.8
HIGH
CVSS 3.1
EPSS 0.03%
Description
### Summary SSTI is possible via first name and last name parameters provided by lowest-privileged users. ### Details 1. Go to `http://127.0.0.1:8000/` and login or signup 2. Go to `http://127.0.0.1:8000/customer/account/profile` 3. Now edit the first name and last name to {{7*7}} 4. Notice it appears as 49 ### POC - Video attached with the report: https://github.com/user-attachments/assets/f93932b5-2a57-4f34-897e-4151a5168912 ### Impact This can lead to RCE, command injection.
How to fix CVE-2026-21449
To remediate CVE-2026-21449, upgrade the affected package to a fixed version below.
- —upgrade to 2.3.10 or later
Is CVE-2026-21449 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.3.10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P |
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |