Apache HTTP Server · Code execution
Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE
At a glance
~0.4% estimated chance of attack in 30 days. Exploitation not confirmed.
Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers.
Briefing
There is no written leader briefing for this story yet. These questions come from the facts we hold.
Questions to ask IT
- Do we run Apache HTTP Server and Oracle Http Server, and which versions?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 19 Nov?
Next steps
- Confirm whether this affects systems or suppliers in your estate
Vulnerability facts
Full CVE detail CVE-2026-119618- Not listed
- ~0.4% estimated chance of attack in 30 days
- 2.4.70 and earlier, 2.0.42 and earlier
- Not linked from the CVE record
No technical write-up beyond these facts and the summary below yet.
Next steps
- Review the advisory against your asset inventory and patch cadence
Summary
- The mod_http2 race condition, CVE-2026-119618, could let unauthenticated attackers execute code on servers with HTTP/2 enabled. The post Apache Patches Critical HTTP Server RCE Found by Anthropic, Google appeared first on SecurityWeek. " ": "The mod_http2 race condition, CVE-2026-119618, could let unauthenticated attackers execute code on servers with HTTP/2 enabled." " ": "Apache Patches Critical HTTP Server RCE Found by Anthropic, Google" This website stores cookies on your computer.
- CVE-2026-119618 has an estimated ~0.4% chance of attack in 30 days (34.5th percentile) as of 2026-11-12 — probability signal, not confirmed exploitation
Products and services involved
- Apache HTTP Server98% match confidence · CVE-2026-119618
- Oracle Http Server97% match confidence · CVE-2026-119618
Pulse
Last change 2h ago · Next recheck 13 Nov 2026, 16:28 UK time
- Story12 Nov 2026, 16:28 UK time · 2h ago
Linked reporting from SecurityWeek (independent original reporting).
Read source (SecurityWeek)
1 entry so far. The timeline chart appears once this story has more history.
Sources
- SecurityWeekNews
Apache Patches Critical HTTP Server RCE Found by Anthropic, Google
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE
- ProbableSummary fact75% confidence
The mod_http2 race condition, CVE-2026-119618, could let unauthenticated attackers execute code on servers with HTTP/2 enabled. The post Apache Patches Critical HTTP Server RCE Found by Anthropic, Google appeared first on SecurityWeek. Apache Patches Critical HTTP Server RCE Found by Anthropic, Google This website stores cookies on your computer.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-119618
- ConfirmedEstimated attack likelihood95% confidence
CVE-2026-119618 has an estimated ~0.4% chance of attack in 30 days (34.5th percentile) as of 2026-11-12 — probability signal, not confirmed exploitation

