CVE-2026-47750

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 92% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. In versions prior to master-584-0a7ae07, the pickle .ckpt parser in src/model.cpp contained a heap buffer overflow vulnerability in the GLOBAL opcode handler. The issue was caused by missing validation when searching for newline-delimited fields. A crafted .ckpt file without the expected newline could cause the parser to use -1 as a copy length, resulting in immediate heap corruption. The attack requires the victim or application to load a .ckpt file from an untrusted source, such as a downloaded model from a model sharing site. The issue has been resolved in version master-584-0a7ae07. If developers are unable to immediately update their applications they can work around this issue by following these instructions: do not load .ckpt checkpoint files from untrusted sources, and prefer trusted model sources and safer formats such as .safetensors where possible.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
7.8%
KEV
Not listed

Published

June 16, 2026

Last Modified

June 25, 2026

Advisory Details (3)

Auto-updated Jun 16, 2026
🔬 Proof of concept available. Patch available. Sources: github_pr, github, github_commit.
github Patch Available🟡 PoC Available

Heap buffer overflow in GLOBAL opcode parsing for PyTorch checkpoint files · Advisory · leejet/stable-diffusion.cpp · GitHub

https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-v37x-jwp7-mcvc
github_pr

feat: add restricted torch legacy checkpoint loading

Fix merged in leejet/stable-diffusion.cpp PR #1443 on 2026-04-19 — awaiting tagged release

https://github.com/leejet/stable-diffusion.cpp/pull/1443
github_commit

commit 0a7ae07f948e (leejet/stable-diffusion.cpp)

Fix landed in leejet/stable-diffusion.cpp commit 0a7ae07f948e — awaiting tagged release

https://github.com/leejet/stable-diffusion.cpp/commit/0a7ae07f948eff4611968a65a22bd7c7031ad74f

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 93× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 15:16 UTCEG score recompute
  3. 2026-07-15 02:00 UTCEPSS rescore
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  1. 2026-07-07 11:35 UTCEG score recompute
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  3. 2026-07-06 16:27 UTCEPSS rescore
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  18. 2026-06-30 23:22 UTCEPSS rescore
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  23. 2026-06-29 11:26 UTCEG score recompute
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  26. 2026-06-28 11:33 UTCEG score recompute
  27. 2026-06-28 04:56 UTCEPSS rescore
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  49. 2026-06-21 14:56 UTCEPSS rescore
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  51. 2026-06-21 09:07 UTCEG score recompute
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  54. 2026-06-20 20:49 UTCEG score recompute
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  57. 2026-06-19 19:26 UTCEPSS rescore
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  61. 2026-06-18 17:52 UTCEPSS rescore
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  65. 2026-06-17 17:53 UTCEPSS rescore
  66. 2026-06-17 09:05 UTCEG score recompute
  67. 2026-06-16 21:07 UTCEG score recompute
  68. 2026-06-16 21:07 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-47750?
CVE-2026-47750 is a high vulnerability published on June 16, 2026. stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. In versions prior to master-584-0a7ae07, the pickle .ckpt parser in src/model.cpp contained a heap buffer overflow vulnerability in the GLOBAL opcode…
When was CVE-2026-47750 disclosed?
CVE-2026-47750 was first published in the National Vulnerability Database on June 16, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47750 actively exploited?
CVE-2026-47750 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-47750?
CVE-2026-47750 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-47750?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47750, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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