VulnerabilityDeferred

CVE-2026-58436

ParseAcceptLanguage quadratic-time DoS via Locale middleware on unauthenticated requests

HIGH 7.5EPSS 0.61%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

ParseAcceptLanguage quadratic-time DoS via Locale middleware on unauthenticated requests

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.61% probability · 49th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-407, CWE-1333
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

EPSS trend

EPSS 0.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://blog.gitea.com/gitea-1.27.0-is-released/
https://github.com/go-gitea/gitea/releases/tag/v1.27.0
https://github.com/go-gitea/gitea/security/advisories/GHSA-fw57-jgch-pgf3
https://github.com/go-gitea/gitea/security/advisories/GHSA-fw57-jgch-pgf3

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.