CVE-2026-115509: Auth Bypass (CVSS 4.2)

Description

Jitsu console before 2.14.0-beta.41 contains an incorrect authorization vulnerability in sources/state.ts handlers that call findFirst without await, so the syncId ownership check never fails. Authenticated users knowing another workspace's sync ID can read, overwrite or delete its stream cursors, causing data re-ingestion or skipped data.

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CVSS v3.1 Score

4.2

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploit Prediction

0.0017

Probability of exploitation

0.06%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

https://github.com/jitsucom/jitsu https://github.com/jitsucom/jitsu/commit/9359d575ba50cd383e7762f9034154dea9346eb3 https://github.com/jitsucom/jitsu/issues/1242 https://github.com/jitsucom/jitsu/releases/tag/jitsu-services2.14.0-beta.41 https://www.vulncheck.com/advisories/jitsu-console-before-2.14.0-beta.41-cross-workspace-authorization-bypass-via-sources-state-api

Frequently Asked Questions

What is CVE-2026-115509? +

Jitsu console before 2.14.0-beta.41 contains an incorrect authorization vulnerability in sources/state.ts handlers that call findFirst without await, so the syncId ownership check never fails. Authenticated users knowing another workspace's sync ID can read, overwrite or delete its stream cursors, causing data re-ingestion or skipped data. It has a CVSS v3.1 base score of 4.2 (MEDIUM).

How severe is CVE-2026-115509? +

CVE-2026-115509 has a CVSS v3.1 score of 4.2 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0017, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-115509? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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