How severe is CVE-2026-57952?

CVE-2026-57952 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-57952 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.

What products are affected by CVE-2026-57952?

CVE-2026-57952 affects Its-a-feature Mythic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-57952?

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

When was CVE-2026-57952 published?

CVE-2026-57952 was published on 2026-06-29 and last updated on 2026-06-30.

CVE-2026-57952

CVE-2026-57952 is a medium-severity vulnerability in Its-a-feature Mythic with a CVSS 3.x base score of 5.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.0
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Its-a-feature Mythic
Published: 2026-06-29
Last modified: 2026-06-30

Description

Mythic before 3.4.0.60 contains an authorization bypass vulnerability in four REST endpoints (c2profile_config_check_webhook, c2profile_redirect_rules_webhook, c2profile_get_ioc_webhook, c2profile_sample_message_webhook) that fail to verify payload ownership. An operator in one operation can invoke these endpoints with a known payload UUID from another operation to access that operation's C2 profile configuration including encryption keys and callback parameters.

Frequently asked questions

What is CVE-2026-57952?: Mythic before 3.4.0.60 contains an authorization bypass vulnerability in four REST endpoints (c2profile_config_check_webhook, c2profile_redirect_rules_webhook, c2profile_get_ioc_webhook, c2profile_sample_message_webhook) that fail to verify payload ownership. An operator in one operation can invoke these endpoints with a known payload UUID from another operation to access that operation's C2 profile configuration including encryption keys and callback parameters.
How severe is CVE-2026-57952?: CVE-2026-57952 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-57952 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.
What products are affected by CVE-2026-57952?: CVE-2026-57952 affects Its-a-feature Mythic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-57952?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-57952 published?: CVE-2026-57952 was published on 2026-06-29 and last updated on 2026-06-30.

References

Affected products (1)

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

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