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Vulnerabilities

Vulnerability · CVE-2026-3515

A vulnerability in the block of the integration in Prefect version 3.6.18 allows an attacker to inject arbitrary git command-line options via the field.

Published May 24, 2026 · catalog updated Jul 23, 2026 · the affected product

Check if you run it

No confirmed exploitation is on record for CVE-2026-3515. EPSS is 0.48%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.48%
Remediation
Not established
Affected products
See sources for product scope

A vulnerability in the block of the integration in Prefect version 3.6.18 allows an attacker to inject arbitrary git command-line options via the field. The field is concatenated directly into a command string without proper sanitization, and then parsed by . This enables injection of options such as , leading to potential Server-Side Request Forgery (SSRF), credential theft, or remote code execution (RCE). The vulnerability affects both the and methods in . This issue does not affect the GitLab and BitBucket integrations, which use a safer list-based command construction approach.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-3515

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-3515. EPSS is 0.48%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-88. EPSS 0.48%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 24, 2026 · NIST NVD

    Detected

    A vulnerability in the block of the integration in Prefect version 3.6.18 allows an attacker to inject arbitrary git command-line options via the field. The field is concatenated directly into a command string without proper sanitization, and then parsed by . This enables injection of options such as , leading to potential Server-Side Request Forgery (SSRF), credential theft, or remote code execut

  2. Jul 23, 2026 · NIST NVD

    Updated

    A vulnerability in the block of the integration in Prefect version 3.6.18 allows an attacker to inject arbitrary git command-line options via the field. The field is concatenated directly into a command string without proper sanitization, and then parsed by . This enables injection of options such as , leading to potential Server-Side Request Forgery (SSRF), credential theft, or remote code execut

Sources

  • CVE.orgVulnerability recordCVE-2026-3515

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-3515

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-3515

    A vulnerability in the block of the integration in Prefect version 3.6.18 allows an attacker to inject arbitrary git command-line options via the field. The field is concatenated directly into a command strin

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.