CVE-2025-6278— Upsonic server.py os.path.join path traversal
Quick assessment
Affected
n/a Upsonic
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Upsonic是Upsonic开源的一个AI代理框架。 Upsonic 0.55.6及之前版本存在路径遍历漏洞，该漏洞源于文件markdown/server.py中函数os.path.join存在路径遍历。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-6278
Vulnerability Information
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Vulnerability Title
Upsonic server.py os.path.join path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in Upsonic up to 0.55.6. This vulnerability affects the function os.path.join of the file markdown/server.py. The manipulation of the argument file.filename leads to path traversal. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Upsonic 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Upsonic是Upsonic开源的一个AI代理框架。 Upsonic 0.55.6及之前版本存在路径遍历漏洞，该漏洞源于文件markdown/server.py中函数os.path.join存在路径遍历。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Upsonic | 0.55.0 | - |
|
II. Public POCs for CVE-2025-6278
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2025-06-19 · 6 CVEs total
| CVE-2025-6279 | 5.5 MEDIUM | Upsonic Pickle add_tool cloudpickle.loads deserialization |
| CVE-2025-6270 | 5.3 MEDIUM | HDF5 H5FSsection.c H5FS__sect_find_node heap-based overflow |
| CVE-2025-6269 | 5.3 MEDIUM | HDF5 H5Cimage.c H5C__reconstruct_cache_entry heap-based overflow |
| CVE-2025-6272 | 3.3 LOW | wasm3 m3_compile.c MarkSlotAllocated out-of-bounds write |
| CVE-2025-6271 | 3.3 LOW | swftools wav2swf wav.c wav_convert2mono out-of-bounds |
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V. Comments for CVE-2025-6278
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