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The vulnerability of the llama_index component of the JSON data reading class, which uses JSONReader tokens, allows a attacker to cause a service failure.

🗓️ 26 Dec 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 2 Views

The vulnerability of the llama_index component of the JSON data reading class, implemented through JSONReader tokens, is related to an uncontrolled recursion. Exploiting this vulnerability could allow a malicious actor to cause service failures.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerabilities in llama_index_core bundled with IBM Fusion, IBM Fusion HCI and Content-Aware Storage.
6 Apr 202612:34
–ibm
CNNVD		LlamaIndex 安全漏洞
7 Jul 202500:00
–cnnvd
CVE		CVE-2025-5472
7 Jul 202509:55
–cve
Cvelist		CVE-2025-5472 Denial of Service via Uncontrolled Recursive JSON Parsing in JSONReader in run-llama/llama_index
7 Jul 202509:55
–cvelist
Huntr		Denial of Service via `Uncontrolled Recursive` JSON Parsing in `JSONReader`
3 Apr 202501:06
–huntr
EUVD		EUVD-2025-20209
3 Oct 202520:07
–euvd
Github Security Blog		LlamaIndex vulnerable to DoS attack through uncontrolled recursive JSON parsing
7 Jul 202512:30
–github
NVD		CVE-2025-5472
7 Jul 202510:15
–nvd
OSV		GHSA-3WXX-Q3GV-PVVV LlamaIndex vulnerable to DoS attack through uncontrolled recursive JSON parsing
7 Jul 202512:30
–osv
Positive Technologies		PT-2025-27665 · Unknown · Llama Index
2 Jul 202500:00
–ptsecurity
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26 Dec 2025 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 36.5
CVSS 27.8
EPSS0.00338
2