Vulnerability · Published May 14, 2026 · Assigned by GitHub_M

CVE-2026-44504Aegra: Cross-user run injection in /threads/{thread_id}/runs (IDOR)

High 8.6

In plain English

A high-severity authorization bypass via user-controlled key in aegra from aegra. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.6High

Exploit odds (30 days)0.3%top 78.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	aegra-api	0.9.7	GHSA-m98r-6667-4wq7
PyPI	aegra-api	0.9.7	PYSEC-2026-2328

Affected products (as reported)

Vendor	Product	Versions
aegra	aegra	< 0.9.7

Weakness: CWE-285, CWE-639 · Vector: 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

References

https://github.com/aegra/aegra/security/advisories/GHSA-m98r-6667-4wq7 x_refsource_CONFIRM