CVE-2019-17526

Name: CVE-2019-17526
Creator: NVD / NIST
Published: 2019-10-18T17:15:10.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.00%

Last modified Jun 17, 2026

CVE-2019-17526 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in SageMath Sage Cell Server through 2019-10-05. Python Code Injection can occur in the context of an internet facing web application. EPSS estimates a 3.00% chance of exploitation in the next 30 days.

Description

An issue was discovered in SageMath Sage Cell Server through 2019-10-05. Python Code Injection can occur in the context of an internet facing web application. Malicious actors can execute arbitrary commands on the underlying operating system, as demonstrated by an __import__('os').popen('whoami').read() line. NOTE: the vendor's position is that the product is "vulnerable by design" and the current behavior will be retained

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.00%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sagemath	Sagemathcell	All versions

References

https://gist.github.com/barrett092/0380a1c34c014e29b827d1f408381525Exploit, Third Party Advisory
https://github.com/sagemath/sagecell/commits/masterPatch
https://sethsec.blogspot.com/2016/11/exploiting-python-code-injection-in-web.htmlExploit, Third Party Advisory
https://gist.github.com/barrett092/0380a1c34c014e29b827d1f408381525Exploit, Third Party Advisory
https://github.com/sagemath/sagecell/commits/masterPatch
https://sethsec.blogspot.com/2016/11/exploiting-python-code-injection-in-web.htmlExploit, Third Party Advisory

Timeline

Published: Oct 18, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17526?

How severe is CVE-2019-17526?

CVE-2019-17526 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.00% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17526?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-17526?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST