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VulnerabilityPublished

CVE-2026-47750: leejet stable-diffusion.cpp · Out-of-bounds Write

Affects leejet stable-diffusion.cppSource CVE Database V5

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Not known to be exploited · CVSS 7.8 High.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
leejetstable-diffusion.cppAffected
  • =< master-584-0a7ae07
Fixed in–

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AI-suggested

A fix is available in stable-diffusion.cpp version master-584-0a7ae07. Users and developers should upgrade to this version to remediate the vulnerability. If immediate upgrade is not possible, do not load .ckpt checkpoint files from untrusted sources. Prefer trusted model sources and safer formats such as .safetensors to avoid exposure to this vulnerability.

Description

A heap buffer overflow vulnerability exists in the pickle .ckpt parser of stable-diffusion.cpp prior to version master-584-0a7ae07. The flaw occurs due to missing validation when parsing newline-delimited fields, allowing a crafted .ckpt file without the expected newline to cause heap corruption. This vulnerability requires loading a malicious .ckpt file from an untrusted source. The issue has been fixed in version master-584-0a7ae07. Until updated, users should avoid loading .ckpt files from untrusted sources and prefer safer formats like .safetensors.

References

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