ggml-org llama.cpp gguf_reader gguf_reader::read assertion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00+

Summaryinfo

A vulnerability was found in ggml-org llama.cpp and classified as problematic. This issue affects the function gguf_reader::read of the component gguf_reader. Executing a manipulation can lead to assertion. This vulnerability is handled as CVE-2026-52131. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in ggml-org llama.cpp (the affected version is unknown) and classified as problematic. This vulnerability affects the function gguf_reader::read of the component gguf_reader. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability. CVE summarizes:

llama.cpp b5693 and before has a Reachable Assertion via the gguf_reader::read function.

The advisory is available at github.com. This vulnerability was named CVE-2026-52131 since 06/08/2026. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit.

Applying the patch b5693 is able to eliminate this problem.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: b5693

Timelineinfo

06/08/2026 CVE reserved
09/01/2026 +85 days Advisory disclosed
09/01/2026 +0 days VulDB entry created
09/01/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-52131 (🔒)
GCVE (CVE): GCVE-0-2026-52131
GCVE (VulDB): GCVE-100-397786

Entryinfo

Created: 09/01/2026 19:30
Changes: 09/01/2026 19:30 (55)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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