PYSEC-2026-1577

Vulnerability from pysec - Published: 2026-07-07 16:02 - Updated: 2026-07-07 17:24
VLAI
Details

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been classified as critical. Affected is the function load_weight_ckpt of the file lmdeploy/lmdeploy/vl/model/utils.py of the component PT File Handler. The manipulation leads to deserialization. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
Impacted products
Name purl
lmdeploy pkg:pypi/lmdeploy
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "lmdeploy",
        "purl": "pkg:pypi/lmdeploy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.10",
        "0.0.11",
        "0.0.12",
        "0.0.13",
        "0.0.14",
        "0.1.0",
        "0.2.0",
        "0.2.1",
        "0.2.2",
        "0.2.3",
        "0.2.4",
        "0.2.5",
        "0.2.6",
        "0.3.0",
        "0.4.0",
        "0.4.1",
        "0.4.2",
        "0.5.0",
        "0.5.1",
        "0.5.2",
        "0.5.2.post1",
        "0.5.3",
        "0.6.0",
        "0.6.0a0",
        "0.6.1",
        "0.6.2",
        "0.6.2.post1",
        "0.6.3",
        "0.6.4",
        "0.6.5",
        "0.7.0",
        "0.7.0.post1",
        "0.7.0.post2",
        "0.7.0.post3",
        "0.7.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-3162",
    "GHSA-7vc5-mjwp-c8fq"
  ],
  "details": "A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been classified as critical. Affected is the function load_weight_ckpt of the file lmdeploy/lmdeploy/vl/model/utils.py of the component PT File Handler. The manipulation leads to deserialization. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.",
  "id": "PYSEC-2026-1577",
  "modified": "2026-07-07T17:24:35.103862Z",
  "published": "2026-07-07T16:02:50.626227Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3162"
    },
    {
      "type": "WEB",
      "url": "https://github.com/InternLM/lmdeploy/issues/3255"
    },
    {
      "type": "WEB",
      "url": "https://github.com/InternLM/lmdeploy/issues/3255#issue-2918985270"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/InternLM/lmdeploy"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?ctiid.303108"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?id.303108"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/?submit.542520"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/lmdeploy"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-7vc5-mjwp-c8fq"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LMDeploy Improper Input Validation Vulnerability"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.