How severe is CVE-2026-21882?

CVE-2026-21882 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-21882 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-21882?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-21882 have an EU (EUVD) identifier?

Yes. CVE-2026-21882 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9256.

When was CVE-2026-21882 published?

CVE-2026-21882 was published on 2026-03-02 and last updated on 2026-06-17.

CVE-2026-21882

CVE-2026-21882 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-250.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9256
Weakness: CWE-250
Published: 2026-03-02
Last modified: 2026-06-17

Description

theshit is a command-line utility that automatically detects and fixes common mistakes in shell commands. Prior to version 0.2.0, improper privilege dropping allows local privilege escalation via command re-execution. This issue has been patched in version 0.2.0.

Frequently asked questions

What is CVE-2026-21882?: theshit is a command-line utility that automatically detects and fixes common mistakes in shell commands. Prior to version 0.2.0, improper privilege dropping allows local privilege escalation via command re-execution. This issue has been patched in version 0.2.0.
How severe is CVE-2026-21882?: CVE-2026-21882 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-21882 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-21882?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-21882 have an EU (EUVD) identifier?: Yes. CVE-2026-21882 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9256.
When was CVE-2026-21882 published?: CVE-2026-21882 was published on 2026-03-02 and last updated on 2026-06-17.

References

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