RHSA-2026:1610

Vulnerability from csaf_redhat - Published: 2026-01-30 18:51 - Updated: 2026-03-23 17:12
Summary
Red Hat Security Advisory: Red Hat OpenShift Lightspeed 1.0.9 security update
Severity
Critical
Notes
Topic: Red Hat OpenShift Lightspeed 1.0.9 operand images, which provide security fixes and container updates.
Details: Red Hat OpenShift Lightspeed is a generative AI-based virtual assistant integrated into the OpenShift console. It can answer questions related to OpenShift and layered offerings. Security Fix(es): langchain-core: LangChain: Arbitrary code execution via serialization injection (CVE-2025-68664) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.`
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2025-68664

A flaw was found in LangChain, a framework for building agents and LLM-powered applications. A remote attacker can exploit a serialization injection vulnerability in LangChain's `dumps()` and `dumpd()` functions. This occurs because the functions do not properly escape dictionaries containing the internal 'lc' key during serialization. When user-controlled data includes this key structure, it is incorrectly processed as a legitimate LangChain object during deserialization, potentially leading to arbitrary code execution.

9.3 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
CWE-502 - Deserialization of Untrusted Data
Vendor Fix Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2026:1610
References
To clipboard 

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        "name": "Deserialization of Untrusted Data"
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          "text": "2424790"
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          "category": "description",
          "text": "A flaw was found in LangChain, a framework for building agents and LLM-powered applications. A remote attacker can exploit a serialization injection vulnerability in LangChain\u0027s `dumps()` and `dumpd()` functions. This occurs because the functions do not properly escape dictionaries containing the internal \u0027lc\u0027 key during serialization. When user-controlled data includes this key structure, it is incorrectly processed as a legitimate LangChain object during deserialization, potentially leading to arbitrary code execution.",
          "title": "Vulnerability description"
        },
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          "text": "langchain-core: LangChain: Arbitrary code execution via serialization injection",
          "title": "Vulnerability summary"
        },
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          "category": "other",
          "text": "This vulnerability is rated Critical for Red Hat products. A serialization injection flaw in LangChain\u0027s `dumps()` and `dumpd()` functions allows remote attackers to achieve arbitrary code execution. This occurs when user-controlled data containing the internal \u0027lc\u0027 key is improperly deserialized as a legitimate LangChain object.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68664"
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          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "langchain-core: LangChain: Arbitrary code execution via serialization injection"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.