CVE-2026-68911

HIGHPre-NVD 8.78.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3% (20th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 8.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Nicotine+ is a graphical client for the Soulseek peer-to-peer network. Prior to version 3.3.11, a modified remote client can send zlib-compressed peer messages containing a decompression bomb, exhausting available memory of the recipient's operating system. This issue has been patched in version 3.3.11.

CVSS v3
8.7
EG Score
8.7HIGHmedium confidence
EG Risk
54
EG Risk 54/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity87% × 45%
Exploitation0% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.3%
EPSS %ILE
20th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 29, 2026

Last Modified

September 30, 2026

Advisory Details (4)

Auto-updated Sep 29, 2026
Patch available. Sources: github_pr, github_commit, github_release, github.
github_release Patch Available

3.3.11

Patch available: nicotine-plus/nicotine-plus 3.3.11

https://github.com/nicotine-plus/nicotine-plus/releases/tag/3.3.11
github_commit

commit 61de347fbaaa (nicotine-plus/nicotine-plus)

Fix landed in nicotine-plus/nicotine-plus commit 61de347fbaaa — awaiting tagged release

https://github.com/nicotine-plus/nicotine-plus/commit/61de347fbaaab02eae1606df4f95d9dc17066d4c
github_pr

slskmessages.py: enforce maximum sizes for uncompressed message

Fix merged in nicotine-plus/nicotine-plus PR #3646 on 2026-02-17 — awaiting tagged release

https://github.com/nicotine-plus/nicotine-plus/pull/3646
github Patch Available

Decompression of peer messages can exhaust available memory · Advisory · nicotine-plus/nicotine-plus · GitHub

https://github.com/nicotine-plus/nicotine-plus/security/advisories/GHSA-8w4c-p7mj-g886

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 13× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-10-03 18:17 UTCEG score recompute
  2. 2026-10-03 14:26 UTCEPSS rescore
  3. 2026-10-02 18:47 UTCEG score recompute
  4. 2026-10-02 17:56 UTCEPSS rescore
  5. 2026-10-02 07:04 UTCEG score recompute
  6. 2026-10-01 19:50 UTCEPSS rescore
  7. 2026-09-30 16:56 UTCEG score recompute
  8. 2026-09-30 15:03 UTCEPSS rescore
  9. 2026-09-29 17:32 UTCEG score recompute
  10. 2026-09-29 16:34 UTCEG score recompute
  11. 2026-09-29 15:23 UTCEG score recompute
  12. 2026-09-29 15:09 UTCEG score recompute
  13. 2026-09-29 15:08 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-68911?
CVE-2026-68911 is a high vulnerability published on September 29, 2026. Nicotine+ is a graphical client for the Soulseek peer-to-peer network. Prior to version 3.3.11, a modified remote client can send zlib-compressed peer messages containing a decompression bomb, exhausting available memory of the recipient's operating system. This issue has been patched in version…
When was CVE-2026-68911 disclosed?
CVE-2026-68911 was first published on September 29, 2026, with the most recent update on September 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-68911 actively exploited?
CVE-2026-68911 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (20th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-68911?
CVE-2026-68911 has a CVSS base score of 8.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-68911?
A fix for CVE-2026-68911 is available: update to the fixed version the vendor names in its advisory.

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