How severe is CVE-2026-57951?

CVE-2026-57951 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-57951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-57951?

CVE-2026-57951 affects Its-a-feature Mythic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-57951?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-57951 published?

CVE-2026-57951 was published on 2026-06-29 and last updated on 2026-07-01.

CVE-2026-57951

CVE-2026-57951 is a medium-severity vulnerability in Its-a-feature Mythic with a CVSS 3.x base score of 6.5. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Its-a-feature Mythic
Published: 2026-06-29
Last modified: 2026-07-01

Description

Mythic before 3.4.0.60 contains a broken hasura permission filter on the payload_build_step table with an always-satisfied _or condition that bypasses operation-scoped access controls. Authenticated operators and spectators can query payload_build_step to read step_stdout, step_stderr, step_name, and step_description across all operations on the server.

Frequently asked questions

What is CVE-2026-57951?: Mythic before 3.4.0.60 contains a broken hasura permission filter on the payload_build_step table with an always-satisfied _or condition that bypasses operation-scoped access controls. Authenticated operators and spectators can query payload_build_step to read step_stdout, step_stderr, step_name, and step_description across all operations on the server.
How severe is CVE-2026-57951?: CVE-2026-57951 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-57951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-57951?: CVE-2026-57951 affects Its-a-feature Mythic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-57951?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-57951 published?: CVE-2026-57951 was published on 2026-06-29 and last updated on 2026-07-01.

References

Affected products (1)

cpe:2.3:a:its-a-feature:mythic:*:*:*:*:*:*:*:*

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