CVE-2026-122189

LOW
INFO Priority: 0.01 BB Relevance: 54/100
Published: 2026-11-05 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Passive
S: X
AT: None
VC: Low
VI: Low
VA: Low

Description

A vulnerability has been found in OpenPPL ppl.nn up to bb84dc9952809b3a5a0036858a3d9f68af1c83d5. The affected element is the function OptGraph::InitQuantization of the file src/ppl/nn/engines/cuda/optimizer/opt_graph.cc of the component CUDA Optimizer. Such manipulation of the argument per_channel/bit_width/tensor_max/tensor_min/scale leads to out-of-bounds read. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
OpenPPL ppl.nn bb84dc9952809b3a5a0036858a3d9f68af1c83d5
OpenPPL ppl.nn bb84dc9952809b3a5a0036858a3d9f68af1c83d5

Bug Bounty Relevance

54 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

2.1 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

EPSS — Exploitation Probability

0.24%
Raw Score 0.002420
Percentile 15.5%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00242
2026-11-13
0.00242
2026-11-12
0.00242
2026-11-10
0.00242
2026-11-09
0.00242
2026-11-08
0.00242
2026-11-07
0.00242
2026-11-06
0.00242
2026-11-05
0.00242

Intelligence Sources

mitre ref →
nvd ref →