PYSEC-2026-1508

    Dashboard / Vulnerabilities / PYSEC-2026-1508

    PYSEC-2026-1508

    Published: 7 Jul 2026Last Modified: 7 Jul 2026

    Summary: Langchain Server-Side Request Forgery vulnerability

    Details: In Langchain before 0.0.329, prompt injection allows an attacker to force the service to retrieve data from an arbitrary URL, essentially providing SSRF and potentially injecting content into downstream tasks.

    Affected packages

    Package

    Name: langchain

    Purl: pkg:pypi/langchain

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.0.329

    Affected versions

    0.0.1
    0.0.10
    0.0.100
    0.0.101
    0.0.101rc0
    0.0.102
    0.0.102rc0
    0.0.103
    0.0.104
    0.0.105
    0.0.106
    0.0.107
    0.0.108
    0.0.109
    0.0.11
    0.0.110
    0.0.111
    0.0.112
    0.0.113
    0.0.114
    0.0.115
    0.0.116
    0.0.117
    0.0.118
    0.0.119
    0.0.12
    0.0.120
    0.0.121
    0.0.122
    0.0.123
    0.0.124
    0.0.125
    0.0.126
    0.0.127
    0.0.128
    0.0.129
    0.0.13
    0.0.130
    0.0.131
    0.0.132
    0.0.133
    0.0.134
    0.0.135
    0.0.136
    0.0.137
    0.0.138
    0.0.139
    0.0.14
    0.0.140
    0.0.141
    0.0.142
    0.0.143
    0.0.144
    0.0.145
    0.0.146
    0.0.147
    0.0.148
    0.0.149
    0.0.15
    0.0.150
    0.0.151
    0.0.152
    0.0.153
    0.0.154
    0.0.155
    0.0.156
    0.0.157
    0.0.158
    0.0.159
    0.0.16
    0.0.160
    0.0.161
    0.0.162
    0.0.163
    0.0.164
    0.0.165
    0.0.166
    0.0.167
    0.0.168
    0.0.169
    0.0.17
    0.0.170
    0.0.171
    0.0.172
    0.0.173
    0.0.174
    0.0.175
    0.0.176
    0.0.177
    0.0.178
    0.0.179
    0.0.18
    0.0.180
    0.0.181
    0.0.182
    0.0.183
    0.0.184
    0.0.185
    0.0.186
    0.0.187
    0.0.188
    0.0.189
    0.0.19
    0.0.190
    0.0.191
    0.0.192
    0.0.193
    0.0.194
    0.0.195
    0.0.196
    0.0.197
    0.0.198
    0.0.199
    0.0.2
    0.0.20
    0.0.200
    0.0.201
    0.0.202
    0.0.203
    0.0.204
    0.0.205
    0.0.206
    0.0.207
    0.0.208
    0.0.209
    0.0.21
    0.0.210
    0.0.211
    0.0.212
    0.0.213
    0.0.214
    0.0.215
    0.0.216
    0.0.217
    0.0.218
    0.0.219
    0.0.22
    0.0.220
    0.0.221
    0.0.222
    0.0.223
    0.0.224
    0.0.225
    0.0.226
    0.0.227
    0.0.228
    0.0.229
    0.0.23
    0.0.230
    0.0.231
    0.0.232
    0.0.233
    0.0.234
    0.0.235
    0.0.236
    0.0.237
    0.0.238
    0.0.239
    0.0.24
    0.0.240
    0.0.240rc0
    0.0.240rc1
    0.0.240rc4
    0.0.242
    0.0.243
    0.0.244
    0.0.245
    0.0.246
    0.0.247
    0.0.248
    0.0.249
    0.0.25
    0.0.250
    0.0.251
    0.0.252
    0.0.253
    0.0.254
    0.0.255
    0.0.256
    0.0.257
    0.0.258
    0.0.259
    0.0.26
    0.0.260
    0.0.261
    0.0.262
    0.0.263
    0.0.264
    0.0.265
    0.0.266
    0.0.267
    0.0.268
    0.0.269
    0.0.27
    0.0.270
    0.0.271
    0.0.272
    0.0.273
    0.0.274
    0.0.275
    0.0.276
    0.0.277
    0.0.278
    0.0.279
    0.0.28
    0.0.281
    0.0.283
    0.0.284
    0.0.285
    0.0.286
    0.0.287
    0.0.288
    0.0.289
    0.0.29
    0.0.290
    0.0.291
    0.0.292
    0.0.293
    0.0.294
    0.0.295
    0.0.296
    0.0.297
    0.0.298
    0.0.299
    0.0.3
    0.0.30
    0.0.300
    0.0.301
    0.0.302
    0.0.303
    0.0.304
    0.0.305
    0.0.306
    0.0.307
    0.0.308
    0.0.309
    0.0.31
    0.0.310
    0.0.311
    0.0.312
    0.0.313
    0.0.314
    0.0.315
    0.0.316
    0.0.317
    0.0.318
    0.0.319
    0.0.32
    0.0.320
    0.0.321
    0.0.322
    0.0.323
    0.0.324
    0.0.325
    0.0.326
    0.0.327
    0.0.33
    0.0.34
    0.0.35
    0.0.36
    0.0.37
    0.0.38
    0.0.39
    0.0.4
    0.0.40
    0.0.41
    0.0.42
    0.0.43
    0.0.44
    0.0.45
    0.0.46
    0.0.47
    0.0.48
    0.0.49
    0.0.5
    0.0.50
    0.0.51
    0.0.52
    0.0.53
    0.0.54
    0.0.55
    0.0.56
    0.0.57
    0.0.58
    0.0.59
    0.0.6
    0.0.60
    0.0.61
    0.0.63
    0.0.64
    0.0.65
    0.0.66
    0.0.67
    0.0.68
    0.0.69
    0.0.7
    0.0.70
    0.0.71
    0.0.72
    0.0.73
    0.0.74
    0.0.75
    0.0.76
    0.0.77
    0.0.78
    0.0.79
    0.0.8
    0.0.80
    0.0.81
    0.0.82
    0.0.83
    0.0.84
    0.0.85
    0.0.86
    0.0.87
    0.0.88
    0.0.89
    0.0.9
    0.0.90
    0.0.91
    0.0.92
    0.0.93
    0.0.94
    0.0.95
    0.0.96
    0.0.97
    0.0.98
    0.0.99
    0.0.99rc0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2026-1508 | CVE-DB