CVE-2026-86734
mediumSnipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/{acceptance} endpoint, allowing authenticated users to submit…
Vendor / product: Snipeitapp — snipe-it
Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/{acceptance} endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause denial of service through resource exhaustion in the markdown parsing pipeline.
CVSS
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-08 16:18
Modified: 2026-09-10 16:18
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
snipeitapp / snipe-it <8.7.1
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/grokability/snipe-it/commit/66770cfe20cb135e2b7022c7a83d01e6783c914a
Patch / mitigation: https://github.com/grokability/snipe-it/security/advisories/GHSA-4vcv-fc5x-jjwv
References
- https://github.com/grokability/snipe-it/commit/66770cfe20cb135e2b7022c7a83d01e6783c914a disclosure@vulncheck.com
- https://github.com/grokability/snipe-it/security/advisories/GHSA-4vcv-fc5x-jjwv disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/snipe-it-before-8.7.1-denial-of-service-via-unbounded... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗