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Advisory record · GHSA-xpxj-f2fm-rqch

OliveTin: Unauthenticated DoS via OAuth2 State Memory Exhaustion (Unbounded Map Growth)

CVSS 7.5 HighEPSS 0.0064 · 51st percentile

Published by the GitHub Advisory Database at 30 Jul 2026, 14:24 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/OliveTin/OliveTinGo>=0.0.0-20251024001301-45f9c18bc3ee, <0.0.0-20260708075951-ec114e95d2970.0.0-20260708075951-ec114e95d297
Identifiers
GHSA-xpxj-f2fm-rqch · CVE-2026-67437 · GO-2026-6146
Weakness (CWE)
CWE-400 · CWE-401 · CWE-770
Tags
Published
30 Jul 2026
Updated
18 Aug 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

OliveTin versions from 0.0.0-20251024001301-45f9c18bc3ee up to, but not including, 0.0.0-20260708075951-ec114e95d297 are vulnerable to memory exhaustion through the OAuth2 login handler, which stores a state entry on every request and never removes it. An unauthenticated attacker with network access to the /oauth/login endpoint can send a large number of requests to exhaust server memory and cause a denial of service that persists until restart. Upgrade to 0.0.0-20260708075951-ec114e95d297 or later.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0064, the 51st percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:50 UTC First seen by agentprime
  2. 31 Oct 2026, 14:50 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.