CVE-2026-73035

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-08-10. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

npm-check-updates through 23.0.2, fixed in commit b554b84, contains a terminal escape sequence injection vulnerability that allows an attacker to embed arbitrary terminal control characters in a dependency's package.json homepage or repository URL fields. When a developer runs ncu with the --format homepage or --format repo option, unfiltered escape sequences are written directly to the terminal, enabling malicious output manipulation or other terminal-dependent effects.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: Track

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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 11, 2026

Advisory Details (4)

Auto-updated Aug 10, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

npm-check-updates 23.0.2 Terminal Injection via Unsanitized Escape Sequences | Advisories | VulnCheck

https://www.vulncheck.com/advisories/npm-check-updates-terminal-injection-via-unsanitized-escape-sequences
github_commit

commit b554b84848fc (raineorshine/npm-check-updates)

Fix landed in raineorshine/npm-check-updates commit b554b84848fc — awaiting tagged release

https://github.com/raineorshine/npm-check-updates/commit/b554b84848fc0b08a9d2b3d3db15e351387168cf
github_pr

Strip terminal escape sequences from package and registry text

Fix merged in raineorshine/npm-check-updates PR #1994 on 2026-08-08 — awaiting tagged release

https://github.com/raineorshine/npm-check-updates/pull/1994
generic

--format homepage/repo output isn't stripped of terminal escape sequences · Issue #1988 · raineorshine/npm-check-updates · GitHub

https://github.com/raineorshine/npm-check-updates/issues/1988

Vendor Advisories for CVE-2026-73035(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 22× in last 7d / 37× 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. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 17:05 UTCGHSA enrichment
  3. 2026-08-19 19:23 UTCEG score recompute
  4. 2026-08-19 19:23 UTCGHSA enrichment
  5. 2026-08-19 17:04 UTCEPSS rescore
  6. 2026-08-18 21:39 UTCEG score recompute
  7. 2026-08-18 21:39 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-17 23:54 UTCEG score recompute
  11. 2026-08-17 23:54 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 02:13 UTCEG score recompute
  14. 2026-08-17 02:13 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:56 UTCEPSS rescore
  17. 2026-08-16 04:32 UTCEG score recompute
  18. 2026-08-16 04:32 UTCGHSA enrichment
  19. 2026-08-16 02:15 UTCEPSS rescore
  20. 2026-08-15 06:51 UTCEG score recompute
  21. 2026-08-15 06:51 UTCGHSA enrichment
  22. 2026-08-15 01:31 UTCEPSS rescore
  23. 2026-08-14 08:40 UTCEG score recompute
  24. 2026-08-14 08:40 UTCGHSA enrichment
  25. 2026-08-13 22:00 UTCEPSS rescore
Show 12 more
  1. 2026-08-13 10:59 UTCEG score recompute
  2. 2026-08-13 10:59 UTCGHSA enrichment
  3. 2026-08-12 13:51 UTCEPSS rescore
  4. 2026-08-12 13:18 UTCGHSA enrichment
  5. 2026-08-11 15:37 UTCEG score recompute
  6. 2026-08-11 15:36 UTCGHSA enrichment
  7. 2026-08-11 14:57 UTCEG score recompute
  8. 2026-08-11 14:57 UTCGHSA enrichment
  9. 2026-08-10 21:32 UTCEG score recompute
  10. 2026-08-10 21:32 UTCGHSA enrichment
  11. 2026-08-10 20:35 UTCEG score recompute
  12. 2026-08-10 20:34 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-73035?
CVE-2026-73035 is a medium vulnerability published on August 10, 2026. npm-check-updates through 23.0.2, fixed in commit b554b84, contains a terminal escape sequence injection vulnerability that allows an attacker to embed arbitrary terminal control characters in a dependency's package.json homepage or repository URL fields. When a developer runs ncu with the --format…
When was CVE-2026-73035 disclosed?
CVE-2026-73035 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73035 actively exploited?
CVE-2026-73035 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.0% of all scored CVEs.
What is the CVSS score of CVE-2026-73035?
CVE-2026-73035 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-73035?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-73035, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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