CVE-2026-29169: Apache HTTP Server: mod_dav_lock indirect lock crash
CSIRTS triage
- What
- The mod_dav_lock module in Apache HTTP Server can crash when processing indirect locks.
- Who is affected
- Apache HTTP Server deployments with mod_dav_lock module enabled.
- Urgency
- High severity with CVSS 7.5; not currently exploited but denial of service is possible.
- Action
- Apply Apache HTTP Server patch CVE-2026-29169 when available or disable mod_dav_lock if not needed.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-29169
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-291690.59% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-29169 | coverage & exploitation status | NVD · CVE.org |
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