CVE-2026-92973

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-09-17. a secondary CVSS source baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0

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

ansi2html versions 1.7.0a0 through 1.9.3 contain a cross-site scripting vulnerability in OSC 8 hyperlink handling that fails to validate or escape URL targets. Attackers controlling ANSI text input can inject javascript: schemes or terminate href attributes to execute arbitrary scripts in the context of pages displaying converted output.

CVSS v3
6.1
EG Score
6.1(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

September 17, 2026

Last Modified

September 23, 2026

Advisory Details (4)

Auto-updated Sep 17, 2026
Patch available. Sources: github_commit.
generic

ansi2html 1.7.0a0 through 1.9.3 Cross-Site Scripting via OSC 8 | Advisories | VulnCheck

https://www.vulncheck.com/advisories/ansi2html-1.7-0a0-through-1.9.3-cross-site-scripting-via-osc-8
generic

GitHub - pycontribs/ansi2html: Convert text with ansi color codes to HTML · GitHub

https://github.com/pycontribs/ansi2html
generic

ansi2html/src/ansi2html/converter.py at v1.9.3 · pycontribs/ansi2html · GitHub

https://github.com/pycontribs/ansi2html/blob/v1.9.3/src/ansi2html/converter.py#L345-L349
github_commit Patch Available

commit 89d1c231c60a (pycontribs/ansi2html)

Patch available: pycontribs/ansi2html v1.9.4 (contains commit 89d1c231c60a)

https://github.com/pycontribs/ansi2html/commit/89d1c231c60ac52005f3b21bbba551c786c554fc

Vendor Advisories for CVE-2026-92973(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 19× in last 7d / 26× 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. 2026-09-24 19:36 UTCEG score recompute
  2. 2026-09-24 19:36 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 17:20 UTCGHSA enrichment
  6. 2026-09-23 05:14 UTCEG score recompute
  7. 2026-09-23 05:14 UTCGHSA enrichment
  8. 2026-09-22 16:01 UTCEPSS rescore
  9. 2026-09-22 02:59 UTCEG score recompute
  10. 2026-09-22 02:59 UTCGHSA enrichment
  11. 2026-09-21 21:09 UTCEPSS rescore
  12. 2026-09-21 00:44 UTCEG score recompute
  13. 2026-09-21 00:44 UTCGHSA enrichment
  14. 2026-09-20 20:16 UTCEPSS rescore
  15. 2026-09-19 22:29 UTCEG score recompute
  16. 2026-09-19 22:29 UTCGHSA enrichment
  17. 2026-09-18 20:15 UTCEG score recompute
  18. 2026-09-18 20:14 UTCGHSA enrichment
  19. 2026-09-18 19:28 UTCEPSS rescore
  20. 2026-09-17 17:59 UTCEG score recompute
  21. 2026-09-17 17:58 UTCGHSA enrichment
  22. 2026-09-17 15:44 UTCEG score recompute
  23. 2026-09-17 15:44 UTCGHSA enrichment
  24. 2026-09-17 14:23 UTCEG score recompute
  25. 2026-09-17 13:51 UTCEG score recompute
Show 1 more
  1. 2026-09-17 13:49 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-92973?
CVE-2026-92973 is a medium vulnerability published on September 17, 2026. ansi2html versions 1.7.0a0 through 1.9.3 contain a cross-site scripting vulnerability in OSC 8 hyperlink handling that fails to validate or escape URL targets. Attackers controlling ANSI text input can inject javascript: schemes or terminate href attributes to execute arbitrary scripts in the…
When was CVE-2026-92973 disclosed?
CVE-2026-92973 was first published in the National Vulnerability Database on September 17, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92973 actively exploited?
CVE-2026-92973 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 69.4% of all scored CVEs.
What is the CVSS score of CVE-2026-92973?
CVE-2026-92973 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-92973?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92973, 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

Explore the affected products and dependency analysis for CVE-2026-92973

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