Apache HTTP Server patches critical HTTP/2 remote code execution flaw
A critical vulnerability in the HTTP/2 module of Apache HTTP Server could be exploited by an unauthenticated attacker to obtain remote code execution…
Why am I seeing this Ranked on corroboration — 2 independent outlets
2 independent outlets carried this — BleepingComputer and Feedburner. Agreement across newsrooms that do not share an owner is the strongest thing we can measure, so it carries the most weight.
StandardStandard, because two or more independent orgs carry it, the subject was identified from the text, and it scores 0.59 against a bar of 0.50.
| Factor | Weight | Score | Contribution | Where it came from |
|---|---|---|---|---|
| Corroborationleads | 0.35 | 0.61 | +0.215 36% | 2 distinct tier-1/2 orgs, counted once each: BleepingComputer and Feedburner. Saturates at 5. |
| Source trust | 0.25 | 0.85 | +0.212 36% | BleepingComputer is the highest-trust source on this story. Trust is taken from the best source, not averaged. |
| Pickup rate | 0.20 | 0.00 | +0.000 0% | The sources carry no usable publish times, so the rate could not be measured from them directly. |
| Freshness | 0.20 | 0.83 | +0.165 28% | Halves every 10 hours from the newest item on the story. This is the only factor that rewards a story for nothing more than being recent. |
Corroboration counts distinct organisations, once each, and only from tiers 1 and 2. Freshness halves every 10 hours, so this ranking is a snapshot and will differ at the next build.
Apache HTTP Server's HTTP/2 module contains a critical vulnerability that an unauthenticated attacker could exploit to achieve remote code execution. The flaw allows an attacker to execute arbitrary code on affected systems without requiring authentication credentials or prior access to the server.
The vulnerability exists in how the HTTP/2 module processes requests. An attacker can leverage this weakness by sending specially crafted HTTP/2 requests to a vulnerable server, triggering the remote code execution condition.
Apache has released patches to address this vulnerability. Administrators should apply these updates to their HTTP/2 deployments to eliminate the exploitation risk.
What happened
A critical vulnerability in the HTTP/2 module of Apache HTTP Server could be exploited by an unauthenticated attacker to obtain remote code execution (RCE). PTC has released patches for a new critical vulnerability impacting Windchill and FlexPLM software that, if successfully exploited, could result in remote code execution. The security flaw, tracked as CVE-2026-126325, carries a CVSS v4 score of 9.2 out of a maximum of 10.0. It has been described as a case of improper input validation and deserialization of untrusted data that could result in
How this story arrived
Ordered by when each source was first observed, which is what the velocity figure is computed from. Publishers backdate; observed order does not.
- 01 Feedburner first seen PTC Patches Critical Windchill and FlexPLM Flaw That Could Enable Remote Code Execution
- 02 Bleepingcomputer +6.0h Apache HTTP Server patches critical HTTP/2 remote code execution flaw
Overclock clusters coverage from independent sources and grades it automatically. The figures above are computed, not editorial. This page summarises and links to reporting by the outlets named — follow the links for the original work.