CVE-2026-78148: NULL Pointer Dereference in ggml-org llama.cpp
Description
CVE-2026-78148 is a medium severity vulnerability in the ggml-org llama.cpp project. It involves a null pointer dereference in the rpc_server::graph_compute function within the ggml-RPC Server component. The flaw can be triggered remotely without authentication or user interaction. A fix has been proposed but is not yet merged or officially released.
CVSS v4.0
Score 6.9medium
Affected software
ggml-org
llama.cpp
cpe:2.3:a:ggml-org:llama.cpp:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the function rpc_server::graph_compute in the file ggml/src/ggml-rpc/ggml-rpc.cpp of the ggml-RPC Server component in ggml-org llama.cpp. An attacker can remotely cause a null pointer dereference by manipulating inputs to this function. This may lead to a denial of service or application crash. The issue is documented under CVE-2026-78148 with a CVSS 4.0 base score of 6.9 (medium severity). A pull request containing a fix is pending acceptance, so no official patch is currently available.
Potential Impact
Successful exploitation can cause a null pointer dereference remotely, likely resulting in denial of service or application instability. There is no indication of privilege escalation or data disclosure. No known exploits are reported in the wild.
Mitigation Recommendations
No official patch or fix is currently available as the pull request is awaiting acceptance. Users should monitor the vendor's repository or advisory channels for the official fix. Until then, consider restricting remote access to the affected service to trusted networks to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-23T06:39:09.376Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a8b80d0acd9273b4982ddb5
Added to database: 08/23/2026, 23:22:56 UTC
Last enriched: 09/10/2026, 23:18:19 UTC
Last updated: 10/07/2026, 06:48:18 UTC
Views: 75
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