SSRF in Itwanger Paicoding

CVE-2026-3286

A vulnerability was identified in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3. The impacted element is the function Save of the file paicoding-web/src/main/java/com/github/paicoding/forum/web/common/image/rest/ImageRestController.java of the component Image Save Endpoint. Such manipulation of the argument img leads to server-side request forgery. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (23.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2026-3286?
CVE-2026-3286 is a medium-severity vulnerability in Itwanger Paicoding, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-02-27.
How severe is CVE-2026-3286?
Medium severity. CVSS v3 base score is 6.3 out of 10.