CVE-2026-84298

LOWCVSS 3.1 · LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.95.3, the V1 DurableTask stream handler stores worker-supplied task_external_id values in the durableInvocations routing map before tenant ownership is verified, and callback delivery resolves that map by task UUID without tenant identity. An authenticated tenant worker that knows another tenant's durable task UUID and keeps a stream open on the same dispatcher process can receive that task's durable callback result payload. UUIDv4 values are not enumerable, and single-tenant deployments are unaffected in practice. This issue is fixed in version 0.95.3.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-639CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Referenced assets1 URL

By indicator

https://www.valtersit.com/cve/CVE-2026-84298/

Full discourse1 post

Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters18h
CVE-2026-84298 Hatchet cross-tenant task data exposure via unverified task_external_id in durableInvocations map. CVSS 3.1. Patch under review, pin to 0.95.3+ now. https://www.valtersit.com/cve/CVE-2026-84298/ #CVE #infosec #cybersecurity #Hatchet #CVEALERT #CVE #infosec #Linux #XSS #valtersit #snippet #SysAdmin #cybersecurity #devsecops #devops #developer #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecuritynews #cybersecuritytips #python #hacker #kali #ubuntu #debian #docker
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