CVE-2025-1753: LLama-Index CLI version v0.12.20 contains an OS command injection vulnerability

This month

HIGH 7.8DOWNGRADE

CVE-2025-1753 is a high-severity flaw (CVSS 7.8) affecting llamaindex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LLama-Index CLI version v0.12.20 contains an OS command injection vulnerability. The vulnerability arises from the improper handling of the `--files` argument, which is directly passed into `os.system`. An attacker who controls the content of this argument can inject and execute arbitrary shell commands. This vulnerability can be exploited locally if the attacker has control over the CLI arguments, and remotely if a web application calls the LLam

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Weakness	CWE-78
Published	2025-05-28
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: llamaindex

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-28 10:15 UTCPublished CVE record published
2026-06-17 08:39 UTCUpdated Record last modified

llamaindex llamaindex DOWNGRADE

Affected: 0.12.20

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.12.20

1. Check installed version

apt-cache policy llamaindex || rpm -q llamaindex || llamaindex --version

2. No fixed release: DOWNGRADE to a release before 0.12.20 (Debian / Ubuntu)

apt-cache madison llamaindex sudo apt install llamaindex=<VERSION_BEFORE_0.12.20> sudo apt-mark hold llamaindex

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

dnf --showduplicates list llamaindex sudo dnf downgrade llamaindex-<VERSION_BEFORE_0.12.20> sudo dnf versionlock add llamaindex

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-2025-1753?

llamaindex: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-1753 being exploited?

CVE-2025-1753 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-2025-1753 affect?

CVE-2025-1753 affects llamaindex. Severity is high (CVSS 7.8). LLama-Index CLI version v0.12.20 contains an OS command injection vulnerability. The vulnerability arises from the improper handling of the `--files` argument, which is directly passed into `os.system`. An attacker who controls the content

How urgent is CVE-2025-1753?

Priority 49/100. High severity; Public exploit reference

Software pages

OpenAI and LLM tools vulnerabilities

Related CVEs

CVE-2025-6210 MEDIUM 6.2 UPGRADE A vulnerability in the ObsidianReader class of the run-llama/llama_index repository, specifically in version 0
CVE-2025-7707 HIGH 7.8 UPGRADE The llama_index library version 0.12.33 sets the NLTK data directory to a subdirectory of the codebase by defa
CVE-2024-58339 HIGH 7.5 UPGRADE LlamaIndex (run-llama/llama_index) versions up to and including 0.12.2 contain an uncontrolled resource consum
CVE-2024-14021 HIGH 7.8 UPGRADE LlamaIndex (run-llama/llama_index) versions up to and including 0.11.6 contain an unsafe deserialization vulne
CVE-2025-6211 MEDIUM 6.5 UPGRADE A vulnerability in the DocugamiReader class of the run-llama/llama_index repository, up to version 0.12.28, in

References

← Back to latest CVEs