VulnSocial

CVE-2026-32128Disclosure(fastgpt / fastgpt)

LOWCVSS 6.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

FastGPT is an AI Agent building platform. In 4.14.7 and earlier, FastGPT's Python Sandbox (fastgpt-sandbox) includes guardrails intended to prevent file writes (static detection + seccomp). These guardrails are bypassable by remapping stdout (fd 1) to an arbitrary writable file descriptor using fcntl. After remapping, writing via sys.stdout.write() still satisfies the seccomp rule write(fd==1), enabling arbitrary file creation/overwrite inside the sandbox container despite the intended no file writes restriction.

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0.0/ 10 priority

Sources & remediation

Exploit / PoC references
Weakness type (CWE)
CWE-184

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • fastgpt

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
fastgpt
Products
fastgpt

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-11: 1Technical Details · 2026-03-11: 103-11
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    Disclosure

    CVE-2026-32128 FastGPT is an AI Agent building platform. In 4.14.7 and earlier, FastGPT's Python Sandbox (fastgpt-sandbox) includes guardrails intended to prevent file writes (stati… https://www.cve.org/CVERecord?id=CVE-2026-32128

    Post summary

    The snippet announces CVE-2026-32128 affecting FastGPT's Python Sandbox versions 4.14.7 and earlier, noting guardrails that are intended to block file writes, but it provides no proof‑of‑concept, exploit, patch, or evidence of active use.

    00001118
    56.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appfastgptfastgpt---

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