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Fencer Vulns
critical 9.8

CVE-2023-35839 json

Solon vulnerable to deserialization of untrusted data

published 2023-06-19 3 y ago modified 2026-06-17 4 mo ago also GHSA-7q8c-49f4-4c8q , EUVD-2023-1737

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

A bypass in the component sofa-hessian of Solon before v2.3.3 allows attackers to execute arbitrary code via providing crafted payload.

Patch / fix

  • maven org.noear:solon 2.3.3
  • solon solon 2.3.3

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/noear/solon/issues/145 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Affected packages

ecosystem package affected fixed in
maven org.noear:solon
<2.3.3
2.3.3

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

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.