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Fencer Vulns
medium 6.1

CVE-2025-1300 json

Open redirect in CodeChecker web server

published 2025-02-28 20 mo ago modified 2026-07-07 4 mo ago also GHSA-g839-x3p3-g5fm , PYSEC-2026-1259 , EUVD-2025-5562

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy.

The CodeChecker web server contains an open redirect vulnerability due to missing protections against multiple slashes after the product name in the URL. This results in bypassing the protections against CVE-2021-28861, leading to the same open redirect pathway.

This issue affects CodeChecker: through 6.24.5.

Patch / fix

  • pypi codechecker 6.24.6
  • ericsson codechecker 6.24.6

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
OSV 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi codechecker
<6.24.6
6.24.6

Affected products

  • Ericsson CodeChecker

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

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.