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CVE-2025-49619

HIGH
8.5
CVSS Score
Published: June 7, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:31 AM UTC
1 product affected across 1 vendorSkyvern

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Severity
HIGH8.5
Exploit prediction
EPSS 20%
SSVC
PoC

Description

Skyvern through 0.1.85 is vulnerable to server-side template injection (SSTI) in the Prompt field of workflow blocks such as the Navigation v2 Block. Improper sanitization of Jinja2 template input allows authenticated users to inject crafted expressions that are evaluated on the server, leading to blind remote code execution (RCE).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Skyvern· Skyvern
60%
v ≤ 0.1.85

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: [email protected]
https://cristibtz.github.io/posts/CVE-2025-49619/
Source: [email protected]
https://github.com/Skyvern-AI/skyvern/commit/db856cd8433a204c8b45979c70a4da1e119d949d
Source: [email protected]
https://www.exploit-db.com/exploits/52335
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://cristibtz.blog/posts/CVE-2025-49619/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1336

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