CVE-2026-45579: Code Injection (CVSS 9.9)

Description

DIRAC is an interware, meaning a software framework for distributed computing. Prior to versions 8.0.79, 9.0.22, and 9.1.10, the RequestManagementSystem/Service/ReqManagerHandler.py export_getRequestCountersWeb function passes an authenticated caller-controlled groupingAttribute to RequestManagementSystem/DB/RequestDB.py getRequestCountersWeb. An unrecognized value is resolved against the Request object and evaluated as Python code, allowing a crafted dunder attribute expression to reach operating-system functions and execute commands as the account running the DIRAC services. Successful exploitation can expose dirac.cfg, database passwords, stored proxies, and tokens, fully compromise the DIRAC system, and allow alteration of local log evidence. This issue is fixed in versions 8.0.79, 9.0.22, and 9.1.10.

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CVSS v3.1 Score

9.9

CRITICAL

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

EPSS — Exploit Prediction

0.0086

Probability of exploitation

0.58%

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-95 CWE-95

References

Other References

https://github.com/DIRACGrid/DIRAC/commit/8ec11072f48103d94e8b7cca831e2c7ce304d6c7 https://github.com/DIRACGrid/DIRAC/commit/99f1af88b525e69a77f204aebf7d8df3b6056142 https://github.com/DIRACGrid/DIRAC/commit/a6f75ce5d369254d46ca6f1d39e3f384366fa396 https://github.com/DIRACGrid/DIRAC/releases/tag/v8.0.79 https://github.com/DIRACGrid/DIRAC/releases/tag/v9.0.22 https://github.com/DIRACGrid/DIRAC/releases/tag/v9.1.10 https://github.com/DIRACGrid/DIRAC/security/advisories/GHSA-9jpv-c7p4-997x

Frequently Asked Questions

What is CVE-2026-45579? +

DIRAC is an interware, meaning a software framework for distributed computing. Prior to versions 8.0.79, 9.0.22, and 9.1.10, the RequestManagementSystem/Service/ReqManagerHandler.py export_getRequestCountersWeb function passes an authenticated caller-controlled groupingAttribute to RequestManagementSystem/DB/RequestDB.py getRequestCountersWeb. An unrecognized value is resolved against the Request object and evaluated as Python code, allowing a crafted dunder attribute expression to reach operating-system functions and execute commands as the account running the DIRAC services. Successful exploitation can expose dirac.cfg, database passwords, stored proxies, and tokens, fully compromise the DIRAC system, and allow alteration of local log evidence. This issue is fixed in versions 8.0.79, 9.0.22, and 9.1.10. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-45579? +

CVE-2026-45579 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0086, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-45579? +

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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