GHSA-4jcj-7x88-m979

Suggest an improvement
Source
https://github.com/advisories/GHSA-4jcj-7x88-m979
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4jcj-7x88-m979/GHSA-4jcj-7x88-m979.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-4jcj-7x88-m979
Aliases
Downstream
ECHO (1)
MINI (2)
Published
2026-06-21T06:32:07Z
Modified
2026-09-10T22:45:04Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
LiteLLM: MCP Proxy Has Improper Authentication
Details

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

Database specific 
{
    "cwe_ids":  [
        "CWE-287",
        "CWE-303"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-09-10T22:32:02Z",
    "nvd_published_at":  "2026-06-21T04:16:28Z",
    "severity":  "MODERATE"
}
References

Affected packages

PyPI / litellm

Package

Name
litellm
View open source insights on deps.dev
Purl
pkg:pypi/litellm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.84.0

Affected versions

0.*
0.1.0
0.1.1
0.1.2
0.1.3
0.1.31
0.1.32
0.1.34
0.1.201
0.1.202
0.1.203
0.1.204
0.1.205
0.1.206
0.1.207
0.1.208
0.1.209
0.1.210
0.1.211
0.1.212
0.1.213
0.1.214
0.1.215
0.1.216
0.1.217
0.1.218
0.1.219
0.1.220
0.1.221
0.1.222
0.1.223
0.1.224
0.1.225
0.1.226
0.1.227
0.1.228
0.1.229
0.1.230
0.1.231
0.1.232
0.1.233
0.1.234
0.1.235
0.1.236
0.1.237
0.1.238
0.1.330
0.1.331
0.1.341
0.1.343
0.1.345
0.1.347
0.1.348
0.1.349
0.1.351
0.1.352
0.1.353
0.1.354
0.1.356
0.1.360
0.1.361
0.1.362
0.1.363
0.1.364
0.1.365
0.1.366
0.1.367
0.1.368
0.1.369
0.1.370
0.1.371
0.1.372
0.1.373
0.1.375
0.1.376
0.1.379
0.1.380
0.1.381
0.1.383
0.1.384
0.1.385
0.1.386
0.1.387
0.1.388
0.1.389
0.1.392
0.1.393
0.1.394
0.1.398
0.1.399
0.1.400
0.1.401
0.1.402
0.1.403
0.1.404
0.1.405
0.1.410
0.1.411
0.1.412
0.1.415
0.1.419
0.1.420
0.1.421
0.1.422
0.1.424
0.1.425
0.1.426
0.1.429
0.1.433
0.1.434
0.1.435
0.1.436
0.1.437
0.1.438
0.1.439
0.1.440
0.1.441
0.1.442
0.1.443
0.1.444
0.1.445
0.1.446
0.1.447
0.1.448
0.1.449
0.1.450
0.1.451
0.1.452
0.1.456
0.1.457
0.1.459
0.1.460
0.1.461
0.1.464
0.1.465
0.1.475
0.1.477
0.1.479
0.1.480
0.1.481
0.1.482
0.1.486
0.1.487
0.1.488
0.1.490
0.1.491
0.1.492
0.1.493
0.1.494
0.1.495
0.1.497
0.1.500
0.1.501
0.1.504
0.1.507
0.1.508
0.1.509
0.1.510
0.1.511
0.1.512
0.1.516
0.1.517
0.1.518
0.1.520
0.1.525
0.1.530
0.1.531
0.1.533
0.1.535
0.1.536
0.1.537
0.1.538
0.1.544
0.1.546
0.1.547
0.1.548
0.1.549
0.1.550
0.1.551
0.1.552
0.1.553
0.1.554
0.1.555
0.1.556
0.1.557
0.1.558
0.1.559
0.1.560
0.1.561
0.1.562
0.1.563
0.1.567
0.1.568
0.1.569
0.1.570
0.1.574
0.1.578
0.1.580
0.1.582
0.1.583
0.1.585
0.1.586
0.1.587
0.1.590
0.1.591
0.1.593
0.1.595
0.1.596
0.1.597
0.1.598
0.1.600
0.1.601
0.1.604
0.1.605
0.1.607
0.1.609
0.1.610
0.1.615
0.1.618
0.1.619
0.1.620
0.1.621
0.1.623
0.1.624
0.1.625
0.1.626
0.1.629
0.1.630
0.1.631
0.1.632
0.1.634
0.1.635
0.1.636
0.1.638
0.1.639
0.1.641
0.1.642
0.1.643
0.1.644
0.1.645
0.1.646
0.1.647
0.1.648
0.1.649
0.1.650
0.1.651
0.1.652
0.1.674
0.1.680
0.1.681
0.1.683
0.1.685
0.1.686
0.1.687
0.1.689
0.1.690
0.1.692
0.1.693
0.1.696
0.1.697
0.1.698
0.1.700.dev0
0.1.700.dev1
0.1.700.dev2
0.1.700.dev3
0.1.700.dev4
0.1.700.dev5
0.1.700
0.1.702
0.1.704
0.1.706
0.1.714.dev1
0.1.714
0.1.715
0.1.716
0.1.719
0.1.720
0.1.721
0.1.723
0.1.724
0.1.729
0.1.736
0.1.738
0.1.743
0.1.745
0.1.746
0.1.747
0.1.748
0.1.749
0.1.750
0.1.751
0.1.758
0.1.765
0.1.769
0.1.772
0.1.774
0.1.780
0.1.781
0.1.784
0.1.786
0.1.788
0.1.789
0.1.793
0.1.794
0.1.805
0.1.806
0.1.807
0.1.813
0.1.814
0.1.815
0.1.816
0.1.817
0.1.818
0.1.819
0.1.820
0.1.821
0.1.824
0.1.2291
0.1.7701
0.1.7713
0.2.5
0.2.6
0.3.0
0.3.1
0.4.0
0.4.4
0.5.2
0.5.3
0.5.4
0.5.6
0.6.0
0.6.1
0.6.2
0.6.6
0.7.1.dev1
0.7.1.dev2
0.7.1.dev3
0.7.1
0.7.3
0.7.4
0.7.5
0.7.9
0.7.10
0.8.0
0.8.1
0.8.2
0.8.3
0.8.4
0.8.5
0.8.6
0.9.0
0.9.1
0.9.2.dev1
0.9.2
0.10.0
0.10.1
0.11.1
0.12.4.dev1
0.12.4.dev2
0.12.4
0.12.5.dev1
0.12.5
0.12.7.dev1
0.12.7
0.12.8
0.12.9
0.12.10
0.12.11
0.12.12
0.13.0
0.13.1.dev1
0.13.1.dev2
0.13.1.dev3
0.13.1
0.13.2.dev1
0.13.2
0.13.3.dev1
0.13.3.dev2
0.13.6.dev1
0.13.6.dev2
0.13.6.dev3
0.13.7.dev1
0.14.0.dev1
0.14.0
0.14.1
1.*
1.0.0.dev1
1.0.0
1.0.3.dev1
1.0.3
1.1.0
1.1.1
1.1.2
1.1.3
1.2.0
1.3.1
1.3.3.dev1
1.3.3.dev2
1.3.3.dev3
1.3.3
1.4.0
1.6.0
1.7.1
1.7.2
1.7.3
1.7.4
1.7.5
1.7.6
1.7.7
1.7.8
1.7.9
1.7.11
1.7.12
1.8.1
1.9.dev0
1.9.0
1.9.1
1.9.2
1.9.3
1.9.4
1.9.5
1.10.dev11
1.10.0
1.10.1
1.10.2
1.10.3
1.10.4
1.10.6
1.10.8
1.10.9
1.10.10
1.10.11
1.11.0
1.11.1
1.12.0
1.12.1
1.12.2
1.12.3
1.12.5.dev1
1.12.5
1.12.6.dev1
1.12.6.dev2
1.12.6.dev3
1.12.6.dev4
1.12.6.dev5
1.13.2
1.14.0.dev1
1.14.0
1.14.1
1.14.2
1.14.3
1.14.4
1.53.1.dev1
1.53.1
1.53.2
1.53.3
1.53.4
1.53.5
1.53.6
1.53.7
1.53.8
1.53.9
1.54.0
1.54.1
1.55.0
1.55.1
1.55.2
1.55.3
1.55.4
1.55.6
1.55.7
1.55.8
1.55.9
1.55.10
1.55.11
1.55.12
1.56.2
1.56.3
1.56.4
1.56.5
1.56.6
1.56.8.dev4
1.56.8.dev5
1.56.8.dev6
1.56.8.dev7
1.56.8
1.56.9
1.56.10
1.57.0
1.57.1
1.57.2
1.57.3
1.57.4
1.57.5
1.57.7.dev1
1.57.7
1.57.8
1.57.10
1.57.11
1.58.0
1.58.1
1.58.2
1.58.4
1.59.0
1.59.1.dev1
1.59.1
1.59.2
1.59.3
1.59.5
1.59.6
1.59.7
1.59.8
1.59.9
1.59.10.dev1
1.59.10
1.59.12
1.60.0
1.60.2
1.60.4
1.60.5
1.60.6
1.60.7
1.60.8
1.60.9
1.61.0.dev1
1.61.0
1.61.1
1.61.2
1.61.3
1.61.4
1.61.5
1.61.6
1.61.7
1.61.8
1.61.9
1.61.11
1.61.13
1.61.15
1.61.16
1.61.17
1.61.19
1.61.20
1.62.1
1.62.4
1.63.0.dev12
1.63.0
1.63.2
1.63.3
1.63.4.dev1
1.63.5
1.63.6
1.63.7
1.63.8
1.63.11.dev1
1.63.11
1.63.12
1.63.14
1.64.1
1.65.0
1.65.0.post1
1.65.1
1.65.3
1.65.4
1.65.4.post1
1.65.5
1.65.6
1.65.7
1.65.8
1.66.0
1.66.1
1.66.2
1.66.3
1.67.0
1.67.0.post1
1.67.1
1.67.2
1.67.4.dev1
1.67.4
1.67.4.post1
1.67.5
1.67.6
1.68.0
1.68.1.dev1
1.68.1
1.68.2
1.69.0
1.69.1
1.69.2
1.69.3
1.70.0
1.70.2
1.70.4
1.71.0
1.71.1
1.71.2
1.71.3
1.72.0
1.72.1
1.72.2
1.72.2.post1
1.72.3
1.72.4
1.72.5.dev1
1.72.5.dev2
1.72.5.dev3
1.72.6
1.72.6.post1
1.72.6.post2
1.72.7.dev1
1.72.7.dev7
1.72.7
1.72.9
1.73.0rc1
1.73.0
1.73.0.post1
1.73.1
1.73.2
1.73.6rc2
1.73.6
1.73.6.post1
1.73.7.dev1
1.73.7.dev2
1.73.7.dev3
1.73.7.dev4
1.73.7
1.74.0
1.74.0.post1
1.74.0.post2
1.74.1
1.74.2
1.74.3rc1
1.74.3rc2
1.74.3rc3
1.74.3
1.74.3.post1
1.74.4.dev1
1.74.4
1.74.6
1.74.7rc1
1.74.7
1.74.7.post1
1.74.7.post2
1.74.8.dev2
1.74.8
1.74.9.dev1
1.74.9.dev2
1.74.9
1.74.9.post1
1.74.9.post2
1.74.12
1.74.14
1.74.15
1.74.15.post1
1.74.15.post2
1.75.0
1.75.2
1.75.3
1.75.4
1.75.5.post1
1.75.5.post2
1.75.6
1.75.7
1.75.8
1.75.9
1.76.0
1.76.1
1.76.2
1.76.3
1.77.0
1.77.1
1.77.2.post1
1.77.3
1.77.4.dev1
1.77.4
1.77.5
1.77.7
1.78.0rc2
1.78.0
1.78.2
1.78.3
1.78.4
1.78.5
1.78.6
1.78.7
1.79.0.dev1
1.79.0.dev2
1.79.0.dev3
1.79.0
1.79.1
1.79.2
1.79.3.dev8
1.79.3
1.80.0
1.80.5
1.80.6
1.80.7
1.80.8
1.80.9
1.80.10
1.80.11
1.80.12
1.80.13
1.80.15
1.80.16
1.80.17
1.81.0
1.81.1
1.81.3
1.81.4
1.81.5
1.81.6
1.81.7
1.81.8
1.81.9.dev1
1.81.9
1.81.10
1.81.11
1.81.12
1.81.13
1.81.14
1.81.15
1.81.16
1.82.0
1.82.1
1.82.2
1.82.3
1.82.4
1.82.5
1.82.6
1.83.0
1.83.1
1.83.2
1.83.3
1.83.4
1.83.5
1.83.6
1.83.7
1.83.8
1.83.9
1.83.10
1.83.11
1.83.12
1.83.13
1.83.14
1.84.0.dev1
1.84.0.dev2
1.84.0rc1

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-4jcj-7x88-m979/GHSA-4jcj-7x88-m979.json"