9.1

CVE-2025-64522: Soft Serve is vulnerable to SSRF through its Webhooks

Analyzed
AliasesGHSA-vwq2-jx9q-9h9fGO-2025-4111
Published 10-11-2025Last modified 12-11-2025

Vulnerability summary

CVE-2025-64522 is a critical (CVSS 9.1) Server-Side Request Forgery vulnerability in charm soft_serve. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 30.6% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.37%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:21483-1

Timeline

  1. 10-11-2025
    PublishedVulnerability first disclosed.
  2. 12-11-2025
    Last modifiedVulnerability information updated.

Description

Soft Serve is a self-hostable Git server for the command line. Versions prior to 0.11.1 have a SSRF vulnerability where webhook URLs are not validated, allowing repository administrators to create webhooks targeting internal services, private networks, and cloud metadata endpoints. Version 0.11.1 fixes the vulnerability.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 0.34% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Soft Serve

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Charm1 product
Charmbracelet1 product
Github.com/charmbracelet1 product
  • soft-serve< 0.11.1

3 vendors · 3 products

References

5 links