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CVE-2026-0969 (GCVE-0-2026-0969)

Vulnerability from cvelistv5 – Published: 2026-02-12 01:35 – Updated: 2026-04-17 17:57
VLAI
Title
Arbitrary code execution in React server-side rendering of untrusted MDX content
Summary
The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-12 15:34 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code (Code Injection)
Assigner
References
Impacted products
Vendor Product Version CPE status
HashiCorp Shared library Affected: 4.3.0 , < 6.0.0 (semver)
guessed Create a notification for this product.
Credits
This issue was identified by researchers at Sejong University.
Show details on NVD website
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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.


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