CVE-2026-54199

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 82% of all CVEs by exploit prediction. 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
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

Tobit Laboratories AG TeamDavid's Webbox is vulnerable to HTTP header injection through the request body in the application's link storing functionality (//ServerClient_celink.htm), which is appended to the redirect target in the 302 HTTP response. If a line feed is added, this will also be added to the redirect link, resulting in the ability to control the response headers. This issue affects TeamDavid through Rollout 524.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

August 7, 2026

Last Modified

August 10, 2026

Advisory Details (2)

Auto-updated Aug 7, 2026
No patch confirmed yet.
generic

22 CVEs in TeamDavid® a "secure" M365 alternative - InfoGuard Labs

https://labs.infoguard.ch/posts/22-cves-in-david-a-secure-m365-alternative/
generic

Release Notes | TeamDavid

https://david.tobit.software/releasenotes

Vendor Advisories for CVE-2026-54199(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 23× in last 7d / 47× 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. 2026-08-21 05:31 UTCEG score recompute
  2. 2026-08-21 05:31 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 06:09 UTCEG score recompute
  5. 2026-08-20 06:09 UTCGHSA enrichment
  6. 2026-08-19 17:04 UTCEPSS rescore
  7. 2026-08-19 06:47 UTCEG score recompute
  8. 2026-08-19 06:47 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-18 07:15 UTCEG score recompute
  11. 2026-08-18 07:15 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 07:53 UTCEG score recompute
  14. 2026-08-17 07:53 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 08:32 UTCEG score recompute
  17. 2026-08-16 08:32 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 09:11 UTCEG score recompute
  20. 2026-08-15 09:11 UTCGHSA enrichment
  21. 2026-08-15 01:30 UTCEPSS rescore
  22. 2026-08-14 09:49 UTCEG score recompute
  23. 2026-08-14 09:49 UTCGHSA enrichment
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 10:28 UTCEG score recompute
Show 22 more
  1. 2026-08-13 10:28 UTCGHSA enrichment
  2. 2026-08-12 13:51 UTCEPSS rescore
  3. 2026-08-12 11:07 UTCEG score recompute
  4. 2026-08-12 11:07 UTCGHSA enrichment
  5. 2026-08-11 11:45 UTCEG score recompute
  6. 2026-08-11 11:45 UTCGHSA enrichment
  7. 2026-08-11 00:00 UTCEPSS rescore
  8. 2026-08-10 12:24 UTCEG score recompute
  9. 2026-08-10 12:24 UTCGHSA enrichment
  10. 2026-08-10 11:42 UTCEG score recompute
  11. 2026-08-10 11:42 UTCGHSA enrichment
  12. 2026-08-10 08:26 UTCEG score recompute
  13. 2026-08-10 08:26 UTCGHSA enrichment
  14. 2026-08-09 13:46 UTCEPSS rescore
  15. 2026-08-09 09:05 UTCEG score recompute
  16. 2026-08-09 09:05 UTCGHSA enrichment
  17. 2026-08-08 16:37 UTCEPSS rescore
  18. 2026-08-08 09:44 UTCEG score recompute
  19. 2026-08-08 09:44 UTCGHSA enrichment
  20. 2026-08-07 10:23 UTCEG score recompute
  21. 2026-08-07 10:08 UTCEG score recompute
  22. 2026-08-07 10:08 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-54199?
CVE-2026-54199 is a medium vulnerability published on August 7, 2026. Tobit Laboratories AG TeamDavid's Webbox is vulnerable to HTTP header injection through the request body in the application's link storing functionality (//ServerClient_celink.htm), which is appended to the redirect target in the 302 HTTP response. If a line feed is added, this will also be added…
When was CVE-2026-54199 disclosed?
CVE-2026-54199 was first published in the National Vulnerability Database on August 7, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-54199 actively exploited?
CVE-2026-54199 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 81.7% of all scored CVEs.
What is the CVSS score of CVE-2026-54199?
CVE-2026-54199 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-54199?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54199, 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-2026-54199

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