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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-25480

23
FAUCET Score

CVE-2026-25480 affects Litestar, an Asynchronous Server Gateway Interface (ASGI) framework, prior to version 2.20.0. The vulnerability stems from improper cache key generation in the FileStore component, allowing unauthenticated remote attackers to trigger cache collisions. This can lead to cache poisoning or mixup, where one URL serves cached content intended for another, resulting in information disclosure or data integrity issues. While rated Medium severity (CVSS 6.5), there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.20.0CPE matchmatch criteria
cpe:2.3:a:litestar:litestar:*:*:*:*:*:*:*:*

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:L/I:L/A:N

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

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 21st percentile among its peer group of 23,723 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: litestarFixed in: 2.20.0

Vendor Advisories (1)

pipGHSA-vxqx-rh46-q2pgmedium

Litestar's FileStore key canonicalization collisions allow response cache mixup/poisoning (ASCII ord + Unicode NFKD)

Feb 9, 2026

References

docs.litestar.dev / 2/release-notes/changelog.html
Release Notes
github.com / litestar-org/litestar/commit/85db6183a76f8a6b3fd6ee3c88d860b9f37a2cca
Patch
github.com / litestar-org/litestar/releases/tag/v2.20.0
Release Notes
github.com / litestar-org/litestar/security/advisories/GHSA-vxqx-rh46-q2pg
ExploitVendor Advisory