CVE-2025-45150: Insecure permissions in LangChain-ChatGLM-Webui commit ef829 allows attackers to arbitrarily view and download

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-45150 is a critical-severity flaw (CVSS 9.8) affecting langchain-chatglm-webui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Insecure permissions in LangChain-ChatGLM-Webui commit ef829 allows attackers to arbitrarily view and download sensitive files via supplying a crafted request.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-732
Published	2025-08-01
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: x-d lab

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-01 17:15 UTCPublished CVE record published
2026-07-05 01:21 UTCUpdated Record last modified

x-d lab langchain-chatglm-webui DOWNGRADE

Affected: 2023-05-23

Fixed in: no fixed release known

Safe to downgrade to: a release before 2023-05-23

1. Check installed version

apt-cache policy langchain-chatglm-webui || rpm -q langchain-chatglm-webui || langchain-chatglm-webui --version

2. No fixed release: DOWNGRADE to a release before 2023-05-23 (Debian / Ubuntu)

apt-cache madison langchain-chatglm-webui sudo apt install langchain-chatglm-webui=<VERSION_BEFORE_2023-05-23> sudo apt-mark hold langchain-chatglm-webui

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list langchain-chatglm-webui sudo dnf downgrade langchain-chatglm-webui-<VERSION_BEFORE_2023-05-23> sudo dnf versionlock add langchain-chatglm-webui

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-45150?

langchain-chatglm-webui: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-45150 being exploited?

CVE-2025-45150 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-45150 affect?

CVE-2025-45150 affects langchain-chatglm-webui. Severity is critical (CVSS 9.8). Insecure permissions in LangChain-ChatGLM-Webui commit ef829 allows attackers to arbitrarily view and download sensitive files via supplying a crafted request.

How urgent is CVE-2025-45150?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

OpenAI and LLM tools vulnerabilities

References

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