Response-header control via unsanitized redirect target
Published Aug 7, 2026 · Updated Aug 7, 2026
HTTP header injection in TeamDavid Webbox through Rollout 524 allows remote attackers to control response headers via a crafted request body. The //ServerClient_celink.htm link-storing handler appends request-body input to a 302 Location target without removing line-feed delimiters. No authentication is required, but passive user interaction is needed; injected headers can alter the response, while the existing redirect prevents open-redirect abuse.
Summary
What happened
HTTP header injection in TeamDavid Webbox through Rollout 524 allows remote attackers to control response headers via a crafted request body. The //ServerClient_celink.htm link-storing handler appends request-body input to a 302 Location target without removing line-feed delimiters. No authentication is required, but passive user interaction is needed; injected headers can alter the response, while the existing redirect prevents open-redirect abuse.
The record
- CVE
- CVE-2026-54199
- Published
- Aug 7, 2026
- Updated
- Aug 7, 2026
- Vendor
- Tobit Laboratories AG
- Product
- TeamDavid
- Classifications
- CWE-20
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 7, 2026CVE publishedPublication date reported by the CVE source.
- Aug 7, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=Rollout 524
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- InfoGuard TeamDavid link-storing header-injection demonstrationproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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