CVE-2026-17501

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 34.8% of scored records. A rank, not a probability.

NVD base score

6.9 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-07-29.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-27 00:30Z1 MO AGO

Last updated

2026-07-29 04:43Z1 MO AGO

Reserved

2026-07-26

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X

Weaknesses

• CWE-404Improper Resource Shutdown or ReleaseClass
• CWE-674Uncontrolled RecursionClass
• CWE-1050Excessive Platform Resource Consumption within a LoopBase

Data version

5.2

Document digest

53da732ca79daae598caa62b265a0cf9d77c1f31b4fe6d91b958f2d5e9076023

• vuldb.comVDB-383354 | ggml-org llama.cpp JSON-Schema-to-GBNF Conversion json-schema-to-grammar.cpp transform recursionhttps://vuldb.com/vuln/383354vdb-entrytechnical-description
• vuldb.comVDB-383354 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/383354/ctisignaturepermissions-required
• vuldb.comCVE-2026-17501 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-17501third-party-advisory
• vuldb.comSubmit #798504 | ggml-org llama.cpp (confirmed on commit e15efe0 / tag b8635+1) Uncontrolled Recursionhttps://vuldb.com/submit/798504third-party-advisory
• github.comhttps://github.com/ggml-org/llama.cpp/issues/25283issue-tracking
• github.comhttps://github.com/ggml-org/llama.cpp/pull/25308issue-trackingpatch
• github.comhttps://github.com/ggml-org/llama.cpp/product