# CVE-2026-15605 — wandb

> As of 2026-07-14, CVE-2026-15605 is a LOW-severity vulnerability in wandb, CVSS v3.1 3.1, EPSS 0.1% (4.6th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-15605 as of 2026-07-14; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-14

## What is CVE-2026-15605?

A security vulnerability has been detected in wandb 0.25.2.dev1. Affected is the function ArtifactManifestEntry.download in the library wandb/sdk/lib/hashutil.py of the component Artifact Integrity Validation. The manipulation leads to use of weak hash. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The pull request to fix this issue awaits acceptance.

The record classifies CVE-2026-15605 under weakness classes [CWE-328](https://cwe.mitre.org/data/definitions/328.html), [CWE-327](https://intel.threadlinqs.com/cwe/CWE-327). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 84 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 3.1 — LOW (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R`)
- **CVSS v4.0 base score:** 2.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 4.6% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 1.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-13, last modified 2026-07-14

## Is CVE-2026-15605 being exploited?

It currently carries a trending score of 31 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **(vendor unspecified)**: wandb

## How to fix CVE-2026-15605

No vendor patch reference has been recorded for CVE-2026-15605 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-15605

No threat campaign in the Threadlinqs corpus currently references CVE-2026-15605, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-15.

**Vendor advisory and patch**

- [github.com — issue tracking](https://github.com/wandb/wandb/pull/12031)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/378114)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/378114/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-15605)
- [vuldb.com — third party advisory (855675)](https://vuldb.com/submit/855675)

**Issue tracking and product pages**

- [github.com — issue tracking](https://github.com/wandb/wandb/issues/12030)
- [github.com — product](https://github.com/wandb/wandb/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-15605
Full detection coverage and IOCs for threats exploiting CVE-2026-15605 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp