CVE-2026-124507: SSRF (CVSS 5.3)

Description

A vulnerability was found in conductor-oss conductor up to 3.32.4/3.33.0/3.34.0-rc3/4.0.0-alpha.1. This issue affects the function WorkflowSystemTask.start of the file PlannerContextFetchTask.java of the component PLANNER_CONTEXT_FETCH Task Handler. The manipulation of the argument url results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. The researcher claims to have submitted a GHSA on the repository of the project.

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CVSS v3.1 Score

5.3

MEDIUM

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

EPSS — Exploit Prediction

0.0031

Probability of exploitation

0.24%

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-918 Server-Side Request Forgery (SSRF)

References

Other References

https://github.com/conductor-oss/conductor/ https://github.com/conductor-oss/conductor/security/advisories/GHSA-cx7c-4mp7-rhcj https://vuldb.com/cve/CVE-2026-124507 https://vuldb.com/submit/1035482 https://vuldb.com/vuln/432811 https://vuldb.com/vuln/432811/cti https://vuldb.com/submit/1035482

Frequently Asked Questions

What is CVE-2026-124507? +

A vulnerability was found in conductor-oss conductor up to 3.32.4/3.33.0/3.34.0-rc3/4.0.0-alpha.1. This issue affects the function WorkflowSystemTask.start of the file PlannerContextFetchTask.java of the component PLANNER_CONTEXT_FETCH Task Handler. The manipulation of the argument url results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been made public and could be used. The researcher claims to have submitted a GHSA on the repository of the project. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-124507? +

CVE-2026-124507 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0031, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-124507? +

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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