CVE-2026-115801
Kakao khaiii JSON Config File Linear.cpp open out-of-bounds
Medium 4.8
A security flaw has been discovered in Kakao khaiii up to 0.4. The impacted element is the function khaiii::nn::Linear::open of the file src/main/cpp/khaiii/nn/Linear.cpp of the component JSON Config File Handler. The manipulation of the argument hidden_dim/class_num results in out-of-bounds read. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The vendor explains: "khaiii treats the resource directory (--rsc-dir) as trusted input, like a binary or a shared library. To use this defect, an attacker must already be able to write to that directory. With that access, an attacker can change the analysis results without this defect." This vulnerability only affects products that are no longer supported by the maintainer.
Assigner
VulDB
VulDB
Published
2026-10-23
2026-10-23
Updated
2026-10-23
2026-10-23
Reserved
2026-10-23
2026-10-23
Scores
| Source | CVSS | Score | Severity | Vector |
|---|---|---|---|---|
| VulDB | 4.0 | 4.8 | Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| VulDB | 3.1 | 5.3 | Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C |
| VulDB | 3.0 | 5.3 | Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C |
| VulDB | 2.0 | 4.3 | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C |
Weaknesses
Affected
References
- https://vuldb.com/vuln/425983 vdb-entrytechnical-description
- https://vuldb.com/vuln/425983/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-115801 third-party-advisory
- https://vuldb.com/submit/1022283 third-party-advisory
- https://github.com/kakao/khaiii/issues/129 issue-tracking
- https://github.com/user-attachments/files/33260270/poc.zip exploit
- https://github.com/kakao/khaiii/ product
Full CVE JSON record (5.2)
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"cpe:2.3:a:kakao:khaiii:*:*:*:*:*:*:*:*"
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}
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"metrics": [
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"time": "2026-10-23T17:09:32.000Z",
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"title": "Kakao khaiii JSON Config File Linear.cpp open out-of-bounds",
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