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CVE-2024-32657

15
FAUCET Score

CVE-2024-32657 is a medium-severity cross-site scripting (XSS) vulnerability affecting Hydra, a Continuous Integration service for Nix-based projects. Attackers can execute arbitrary code in the browser context of Hydra users and make authenticated HTTP requests by crafting malicious HTML build artifacts. The vulnerability has a CVSS score of 5.4 (Medium) due to its network attack vector, low attack complexity, and requirement for user interaction, potentially leading to limited confidentiality and integrity impacts. While patches have been released for hydra.nixos.org and nixpkgs, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 23.11CPE matchmatch criteria
cpe:2.3:a:nixos:hydra:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 56th percentile among its peer group of 15,239 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / NixOS/hydra/commit/b72528be5074f3e62e9ae2c2ae8ef9c07a0b4dd3
Patch
github.com / NixOS/hydra/security/advisories/GHSA-2p75-6g9f-pqgx
Vendor Advisory
github.com / NixOS/nixpkgs/pull/306017
Issue Tracking
github.com / NixOS/nixpkgs/pull/306018
Issue Tracking