Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-61925

23
FAUCET Score

CVE-2025-61925 describes an unvalidated reflection of the X-Forwarded-Host header in Astro, a web framework, prior to version 5.14.2. This vulnerability allows an attacker to manipulate the Astro.url value by sending a malicious X-Forwarded-Host header, potentially leading to canonical link manipulation, redirection of login credentials, or persistent malicious content in caching proxies. The CVSS score is 6.5 (Medium), indicating a network-based attack with low complexity, resulting in potential low integrity and availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.14.2CPE matchmatch criteria
cpe:2.3:a:astro:astro:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 19th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

npmpatch availablevia ghsa
Product: astroFixed in: 5.14.3
astrovendor investigatingvia llm_extracted
ggerganovvendor investigatingvia llm_extracted
sixlaborsvendor investigatingvia llm_extracted

Vendor Advisories (4)

astrollm-astro-a07c758b284e01a0MEDIUM

URL manipulation via unsanitized headers leads to path-based middleware protections bypass and potential SSRF/cache-poisoning + CVE-2025-61925 bypass

Nov 13, 2025
ggerganovllm-ggerganov-5b3eed6b15f2d107MEDIUM

URL manipulation via unsanitized headers leads to path-based middleware protections bypass and potential SSRF/cache-poisoning + CVE-2025-61925 bypass

Nov 13, 2025
sixlaborsllm-sixlabors-a937320927cdaad3MEDIUM

URL manipulation via unsanitized headers leads to path-based middleware protections bypass and potential SSRF/cache-poisoning + CVE-2025-61925 bypass

Nov 13, 2025
npmGHSA-5ff5-9fcw-vg88medium

Astro's `X-Forwarded-Host` is reflected without validation

Oct 10, 2025

References

github.com / Chisnet/minimal_dynamic_astro_server
Product
github.com / withastro/astro/security/advisories/GHSA-5ff5-9fcw-vg88
ExploitThird Party Advisory