CVE-2026-81693
Last modified
CVE-2026-81693 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. openssl_encrypt before 1.4.9 fails to validate the total field from QR JSON payloads before materializing ranges. Attackers can supply crafted QR images with extremely large total values to trigger unbounded memory allocation and cause denial of service through out-of-memory conditions.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
openssl_encrypt before 1.4.9 fails to validate the total field from QR JSON payloads before materializing ranges. Attackers can supply crafted QR images with extremely large total values to trigger unbounded memory allocation and cause denial of service through out-of-memory conditions.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| jahlives | openssl_encrypt | < 1.4.9 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-81693?
How severe is CVE-2026-81693?
How do I fix CVE-2026-81693?
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-2026-81688openssl_encrypt versions before 1.4.9 store an unkeyed SHA-2…7.5
- CVE-2026-81689openssl_encrypt versions before 1.4.9 derive the remote-pepp…7.5
- CVE-2026-8169ExtremeXOS (EXOS) uses a challenge-response mechanism to aut…8.7
- CVE-2026-81690openssl-encrypt (pip package) before 1.4.9 contains a symlin…7.3
- CVE-2026-81691openssl_encrypt versions before 1.4.9 fail to validate serve…7.5
- CVE-2026-81692openssl_encrypt (pip: openssl-encrypt) versions 1.4.8 and ea…7.5
- CVE-2026-81694openssl-encrypt (pip package, versions <= 1.4.8) fails to sa…3.3
- CVE-2026-81695openssl_encrypt versions before 1.4.9 fail to escape attacke…3.3
- CVE-2026-81696openssl_encrypt versions before 1.4.9 fail to sanitize termi…3.3
- CVE-2026-81697openssl_encrypt (pip package openssl-encrypt) versions <= 1.…5.5
- CVE-2026-81698openssl_encrypt versions before 1.4.9 contain a shell inject…7.5
- CVE-2026-81699openssl_encrypt versions before 1.4.9 fail to properly valid…7.5
Are you affected by CVE-2026-81693?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
