CVE-2026-74883
CVE-2026-74883 is a high-severity vulnerability in Jahlives Openssl Encrypt with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-693.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-693
- Affected product: Jahlives Openssl Encrypt
- Published:
- Last modified:
Description
openssl_encrypt versions before 1.4.0 contain a sandbox bypass vulnerability where the plugin sandbox fails to restrict alternative file access methods like pathlib.Path and io.open. Attackers can import pathlib or io modules to read and write arbitrary files, completely bypassing the restricted_open file access controls.
Frequently asked questions
- What is CVE-2026-74883?
- openssl_encrypt versions before 1.4.0 contain a sandbox bypass vulnerability where the plugin sandbox fails to restrict alternative file access methods like pathlib.Path and io.open. Attackers can import pathlib or io modules to read and write arbitrary files, completely bypassing the restricted_open file access controls.
- How severe is CVE-2026-74883?
- CVE-2026-74883 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-74883 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-74883?
- CVE-2026-74883 affects Jahlives Openssl Encrypt. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-74883?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-74883 published?
- CVE-2026-74883 was published on 2026-08-17 and last updated on 2026-09-01.
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-mcjj-qw7m-j3cp
- https://www.vulncheck.com/advisories/openssl-encrypt-before-sandbox-bypass-via-pathlib-and-io
Affected products (1)
- cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*
More vulnerabilities in Jahlives Openssl Encrypt
- CVE-2026-81702 — Critical (CVSS 9.8): openssl_encrypt before 1.4.9 fails to re-derive and validate fingerprints when loading identities from identity.json,…
- CVE-2026-81701 — Critical (CVSS 9.8): openssl_encrypt versions before 1.4.9 use a denylist to identify trusted built-in plugins, allowing unsigned plugins in…
- CVE-2026-81700 — Critical (CVSS 9.8): openssl_encrypt versions before 1.4.9 contain a signature verification vulnerability in gpg_runner.verify_detached that…
- CVE-2026-74901 — Critical (CVSS 9.8): openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in pqc.py where AES-GCM decryption…
- CVE-2026-74900 — Critical (CVSS 9.8): openssl_encrypt versions before 1.4.0 contain a critical vulnerability in pqc.py where KEM decapsulation failures…
- CVE-2026-74899 — Critical (CVSS 9.8): openssl_encrypt versions before 1.4.0 contain a sandbox escape vulnerability in IsolatedPluginExecutor that exposes…
All CVEs affecting Jahlives Openssl Encrypt →
Other CWE-693 (Protection Mechanism Failure) vulnerabilities
- CVE-2026-93606 — Critical (CVSS 10.0): vm2 (npm) versions 3.12.0 and earlier contain a sandbox escape in `VM` and `NodeVM`. When an embedder exposes a host…
- CVE-2026-93605 — Critical (CVSS 10.0): vm2 NodeVM versions before 3.12.1 contain a sandbox escape vulnerability where the DANGEROUS_BUILTINS denylist omits…
- CVE-2026-92956 — Critical (CVSS 10.0): vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default `new VM()` sandbox when running on…
- CVE-2026-75874 — Critical (CVSS 10.0): Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154,…
- CVE-2026-47140 — Critical (CVSS 10.0): vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM blocks several dangerous Node.js builtins…
- CVE-2026-34208 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, SandboxJS blocks direct assignment to global objects…
Browse all CWE-693 (Protection Mechanism Failure) vulnerabilities →