CVE-2026-48913
HIGHCVSS 7.3/10EPSS 0.48%
Last modified
CVE-2026-48913 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 2.4.55, < 2.4.68 |
References
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/06/08/15Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-48913?
Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted.
This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.
How severe is CVE-2026-48913?
CVE-2026-48913 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2026-48913?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-48908A vulnerability in SP Page Builder for Joomla allows unauthe…9.8
- CVE-2026-48909SP LMS (com_splms) < 4.1.4 by JoomShaper deserializes user-c…9.5
- CVE-2026-4891A heap-based out-of-bounds read vulnerability in the DNSSEC …5.3
- CVE-2026-48910A carefully crafted editing request could trigger an XSS vul…6.5
- CVE-2026-48911Insufficient Verification of Data Authenticity vulnerability…7.5
- CVE-2026-48912Improper Input Validation vulnerability in Apache Answer. T…6.5
- CVE-2026-48914A flaw was found in QEMU's virtio-blk device. The issue aris…6.7
- CVE-2026-48916Jenkins LDAP Plugin 807.v7d7de30930cf and earlier follows LD…6.6
- CVE-2026-48917Jenkins LDAP Plugin 807.v7d7de30930cf and earlier deserializ…6.6
- CVE-2026-48918Jenkins Active Directory Plugin 2.41 and earlier follows LDA…6.6
- CVE-2026-48919Jenkins Active Directory Plugin 2.41 and earlier deserialize…6.6
- CVE-2026-4892A heap-based out-of-bounds write vulnerability in the DHCPv6…8.4
Are you affected by CVE-2026-48913?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST