Skip to content
Fencer Vulns
critical 9.8

CVE-2025-50900 json

An issue was discovered in getrebuild/rebuild 4.0.4.

published 2025-08-25 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-25788

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

An issue was discovered in getrebuild/rebuild 4.0.4. The affected source code class is com.rebuild.web.RebuildWebInterceptor, and the affected function is preHandle In the filter code, use CodecUtils.urlDecode(request.getRequestURI()) to obtain the URL-decoded request path, and then determine whether the path endsWith /error. If so, execute return true to skip this Interceptor. Else, redirect to /user/login api. Allowing unauthenticated attackers to gain sensitive information or escalated privileges.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
14 mo ago

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • notion.so https://www.notion.so/racerz/Rebuild-Vulnerability-1ede0e0074f280d8a906c38442a393f0?pvs=4 referenced PoC, tagged "exploit" by a source, unverified
  • racerz.notion.site https://racerz.notion.site/Rebuild-Vulnerability-1ede0e0074f280d8a906c38442a393f0 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

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.