CVE-2026-44504

HIGH

Aegra: Cross-user run injection in /threads/{thread_id}/runs (IDOR)

Title source: cna
STIX 2.1

Description

Aegra is a drop-in replacement for LangSmith Deployments. Prior to 0.9.7, with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated attacker, given another user's thread_id, can execute graph runs against the user's thread, read the user's full checkpoint state, and inject arbitrary messages into the user's conversation history. This vulnerability is fixed in 0.9.7.

References (1)

Core 1
Core References

Scores

CVSS v4 8.6
EPSS 0.0001
EPSS Percentile 3.0%
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-285 CWE-639
Status published
Products (2)
aegra/aegra < 0.9.7
pypi/aegra-api 0.9.0 - 0.9.7PyPI
Published May 14, 2026
Tracked Since May 14, 2026