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VulnerabilityPublished Updated

CVE-2025-57622: Deserialization of Untrusted Data

Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2025-57622, organizations should immediately restrict access to the /vae-api and /caption-api endpoints by implementing network-level controls such as firewalls or VPNs to limit exposure to trusted users only. Disable or remove the use of pickle.loads for deserialization of untrusted input; replace it with safer serialization libraries like JSON or use secure deserialization frameworks that enforce strict type whitelisting. Employ input validation and sanitization to reject unexpected or malformed data before processing. Monitor network traffic and application logs for unusual or suspicious requests targeting these APIs. If possible, isolate the Step-Video-T2V service in a sandboxed environment or container with minimal privileges to limit the impact of a potential compromise. Stay alert for official patches or updates from the vendor and apply them promptly once available. Additionally, conduct regular security assessments and penetration testing focused on deserialization vulnerabilities. Implement application-layer authentication and authorization to restrict API usage, even if the vulnerability itself does not require authentication.

Description

An issue in Step-Video-T2V allows a remote attacker to execute arbitrary code via the /vae-api , /caption-api , feature = pickle.loads(request.get_data()) component

References

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