CVE-2026-40158

Source
https://cve.org/CVERecord?id=CVE-2026-40158
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40158.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40158
Aliases
Published
2026-04-10T16:49:24.753Z
Modified
2026-07-08T08:13:12.073503083Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H CVSS Calculator
Summary
PraisonAI has Improper Control of Generation of Code ('Code Injection') and Protection Mechanism Failure in praisonai
Details

PraisonAI is a multi-agent teams system. Prior to 4.5.128, PraisonAI's AST-based Python sandbox can be bypassed using type.getattribute trampoline, allowing arbitrary code execution when running untrusted agent code. The executecodedirect function in praisonaiagents/tools/pythontools.py uses AST filtering to block dangerous Python attributes like subclasses, globals, and bases. However, the filter only checks ast.Attribute nodes, allowing a bypass. The sandbox relies on AST-based filtering of attribute access but fails to account for dynamic attribute resolution via built-in methods such as type.getattribute, resulting in incomplete enforcement of security restrictions. The string 'subclasses' is an ast.Constant, not an ast.Attribute, so it is never checked against the blocked list. This vulnerability is fixed in 4.5.128.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40158.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-693",
        "CWE-94"
    ]
}
References

Affected packages

Git / github.com/mervinpraison/praisonai

Affected ranges

Type
GIT
Repo
https://github.com/mervinpraison/praisonai
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.5.128"
        }
    ]
}

Affected versions

0.*
0.0.55
0.0.56
0.0.57
0.0.59rc5
2.*
2.0.25
2.0.26
2.0.27
2.0.28
2.0.29
2.0.30
2.0.31
2.0.32
2.0.33
2.0.34
2.0.35
2.0.36
2.0.37
2.0.38
2.0.39
2.0.40
2.0.41
2.0.42
2.0.43
2.0.44
2.0.45
2.0.46
2.0.47
2.0.48
2.0.49
2.0.50
2.0.51
2.0.53
2.0.54
2.0.55
2.0.56
2.0.57
2.0.58
2.0.59
2.0.60
2.0.61
2.0.62
2.0.63
2.0.64
2.0.65
2.0.66
2.0.67
2.0.68
2.0.69
2.0.70
2.0.71
2.0.72
2.0.73
2.0.74
2.0.75
2.0.76
praisonai-cli@0.*
praisonai-cli@0.2.0
praisonai-derive@0.*
praisonai-derive@0.2.0
praisonai@0.*
praisonai@0.2.0
v0.*
v0.0.1
v0.0.18
v0.0.20
v0.0.21
v0.0.22
v0.0.23
v0.0.24
v0.0.25
v0.0.26
v0.0.27
v0.0.28
v0.0.29
v0.0.30
v0.0.31
v0.0.32
v0.0.33
v0.0.34
v0.0.35
v0.0.36
v0.0.37
v0.0.38
v0.0.39
v0.0.40
v0.0.41
v0.0.42
v0.0.43
v0.0.44
v0.0.45
v0.0.46
v0.0.47
v0.0.48
v0.0.49
v0.0.50
v0.0.51
v0.0.52
v0.0.53
v0.0.54
v0.0.58
v0.0.59
v0.0.59rc1
v0.0.59rc11
v0.0.59rc2
v0.0.59rc3
v0.0.59rc4
v0.0.59rc5
v0.0.59rc6
v0.0.59rc7
v0.0.59rc8
v0.0.59rc9
v0.0.61
v0.0.62
v0.0.63
v0.0.64
v0.0.65
v0.0.66
v0.0.67
v0.0.68
v0.0.69
v0.0.70
v0.0.71
v0.0.72
v0.0.73
v0.0.74
v0.1.0
v0.1.1
v0.1.10
v0.1.2
v0.1.3
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9
v0.2.0
v1.*
v1.0.0
v1.0.1
v1.0.10
v1.0.11
v1.0.2
v1.0.3
v1.0.4
v1.0.5
v1.0.6
v1.0.8
v1.0.9
v2.*
v2.0.0
v2.0.1
v2.0.10
v2.0.13
v2.0.14
v2.0.15
v2.0.16
v2.0.17
v2.0.18
v2.0.19
v2.0.20
v2.0.21
v2.0.22
v2.0.23
v2.0.24
v2.0.4
v2.0.5
v2.0.6
v2.0.7
v2.0.77
v2.0.78
v2.0.79
v2.0.8
v2.0.80
v2.0.81
v2.0.9
v2.1.0
v2.1.1
v2.1.2
v2.1.3
v2.1.4
v2.1.5
v2.1.6
v2.2.0
v2.2.1
v2.2.10
v2.2.11
v2.2.12
v2.2.13
v2.2.14
v2.2.15
v2.2.16
v2.2.17
v2.2.18
v2.2.19
v2.2.2
v2.2.20
v2.2.21
v2.2.22
v2.2.23
v2.2.24
v2.2.25
v2.2.26
v2.2.27
v2.2.28
v2.2.29
v2.2.3
v2.2.30
v2.2.31
v2.2.32
v2.2.33
v2.2.34
v2.2.35
v2.2.36
v2.2.37
v2.2.38
v2.2.39
v2.2.4
v2.2.40
v2.2.41
v2.2.42
v2.2.43
v2.2.44
v2.2.45
v2.2.46
v2.2.47
v2.2.48
v2.2.49
v2.2.5
v2.2.50
v2.2.51
v2.2.52
v2.2.53
v2.2.54
v2.2.55
v2.2.56
v2.2.57
v2.2.58
v2.2.59
v2.2.6
v2.2.60
v2.2.61
v2.2.62
v2.2.63
v2.2.64
v2.2.65
v2.2.66
v2.2.67
v2.2.68
v2.2.69
v2.2.7
v2.2.70
v2.2.71
v2.2.72
v2.2.73
v2.2.74
v2.2.75
v2.2.76
v2.2.77
v2.2.78
v2.2.79
v2.2.8
v2.2.80
v2.2.81
v2.2.82
v2.2.83
v2.2.84
v2.2.85
v2.2.86
v2.2.87
v2.2.89
v2.2.9
v2.2.90
v2.2.91
v2.2.93
v2.2.96
v2.2.97
v2.2.98
v2.2.99
v2.3.0
v2.3.1
v2.3.10
v2.3.11
v2.3.12
v2.3.13
v2.3.14
v2.3.15
v2.3.16
v2.3.18
v2.3.19
v2.3.2
v2.3.20
v2.3.21
v2.3.22
v2.3.23
v2.3.24
v2.3.25
v2.3.26
v2.3.27
v2.3.28
v2.3.29
v2.3.3
v2.3.30
v2.3.31
v2.3.32
v2.3.33
v2.3.34
v2.3.35
v2.3.36
v2.3.37
v2.3.38
v2.3.39
v2.3.4
v2.3.40
v2.3.41
v2.3.42
v2.3.43
v2.3.44
v2.3.45
v2.3.46
v2.3.47
v2.3.48
v2.3.49
v2.3.5
v2.3.50
v2.3.51
v2.3.52
v2.3.53
v2.3.54
v2.3.55
v2.3.56
v2.3.57
v2.3.58
v2.3.59
v2.3.6
v2.3.60
v2.3.61
v2.3.62
v2.3.63
v2.3.64
v2.3.65
v2.3.66
v2.3.67
v2.3.68
v2.3.69
v2.3.7
v2.3.70
v2.3.71
v2.3.72
v2.3.73
v2.3.74
v2.3.75
v2.3.76
v2.3.77
v2.3.78
v2.3.79
v2.3.8
v2.3.80
v2.3.81
v2.3.82
v2.3.83
v2.3.84
v2.3.85
v2.3.86
v2.3.87
v2.3.9
v2.4.0
v2.4.1
v2.4.2
v2.4.3
v2.4.4
v2.5.0
v2.5.2
v2.5.3
v2.5.4
v2.5.5
v2.5.6
v2.5.7
v2.6.0
v2.6.1
v2.6.2
v2.6.3
v2.6.4
v2.6.5
v2.6.6
v2.6.7
v2.6.8
v2.7.0
v2.7.1
v2.7.2
v2.7.3
v2.7.4
v2.7.5
v2.7.6
v2.7.7
v2.7.8
v2.7.9
v2.8.0
v4.*
v4.4.10
v4.4.11
v4.4.12
v4.4.5
v4.4.6
v4.4.7
v4.4.8
v4.4.9
v4.5.0
v4.5.1
v4.5.10
v4.5.100
v4.5.101
v4.5.102
v4.5.103
v4.5.104
v4.5.105
v4.5.106
v4.5.107
v4.5.108
v4.5.109
v4.5.11
v4.5.110
v4.5.111
v4.5.112
v4.5.113
v4.5.115
v4.5.117
v4.5.118
v4.5.119
v4.5.12
v4.5.120
v4.5.121
v4.5.122
v4.5.123
v4.5.124
v4.5.125
v4.5.126
v4.5.13
v4.5.14
v4.5.15
v4.5.16
v4.5.17
v4.5.18
v4.5.19
v4.5.2
v4.5.20
v4.5.21
v4.5.22
v4.5.23
v4.5.24
v4.5.25
v4.5.26
v4.5.27
v4.5.28
v4.5.29
v4.5.3
v4.5.30
v4.5.31
v4.5.32
v4.5.33
v4.5.34
v4.5.35
v4.5.36
v4.5.37
v4.5.38
v4.5.39
v4.5.40
v4.5.41
v4.5.42
v4.5.43
v4.5.44
v4.5.45
v4.5.46
v4.5.48
v4.5.49
v4.5.5
v4.5.51
v4.5.52
v4.5.54
v4.5.55
v4.5.56
v4.5.57
v4.5.58
v4.5.59
v4.5.6
v4.5.60
v4.5.62
v4.5.63
v4.5.64
v4.5.65
v4.5.67
v4.5.68
v4.5.69
v4.5.7
v4.5.70
v4.5.71
v4.5.72
v4.5.73
v4.5.74
v4.5.76
v4.5.77
v4.5.78
v4.5.79
v4.5.8
v4.5.80
v4.5.81
v4.5.82
v4.5.83
v4.5.85
v4.5.87
v4.5.88
v4.5.9
v4.5.90
v4.5.93
v4.5.94
v4.5.95
v4.5.96
v4.5.97
v4.5.98

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40158.json"