CVE-2026-15529

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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 2026-07-20.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-07-13 03:45Z1 MO AGO

Last updated

2026-07-20 06:19Z1 MO AGO

Reserved

2026-07-12

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-502Deserialization of Untrusted DataBase

Data version

5.2

Document digest

960db3f95757f6cd3977c7fd8e21634f7815abef3007972a48377f42f67fdad8

• vuldb.comVDB-377872 | yzhao062 pyod persistence.py pyod.utils.persistence.load deserializationhttps://vuldb.com/vuln/377872vdb-entrytechnical-description
• vuldb.comVDB-377872 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/377872/ctisignaturepermissions-required
• vuldb.comCVE-2026-15529 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-15529third-party-advisory
• vuldb.comSubmit #854559 | Yue Zhao / yzhao062 pyod 3.5.0 through 3.5.2 CWE-502: Deserialization of Untrusted Datahttps://vuldb.com/submit/854559third-party-advisory
• github.comhttps://github.com/yzhao062/pyod/issues/697issue-tracking
• github.comhttps://github.com/yzhao062/pyod/pull/698issue-trackingpatch
• pypi.orghttps://pypi.org/project/pyod/3.6.2/patch
• github.comhttps://github.com/yzhao062/pyod/product