Execution Control List (ECL) Is Insecure in Singularity

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0052, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:05 UTC First seen by agentprime
2. 31 Oct 2026, 15:05 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-pmfr-63c2-jr5c
• OSV: GHSA-pmfr-63c2-jr5c
• github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5c
• nvd.nist.gov/vuln/detail/CVE-2020-13845
• medium.com/sylabs
• lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.html
• lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.html
• lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.html

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.