CVE-2026-74880 json
openssl_encrypt before 1.4.0 Token Leakage via Query Parameters
published 7mo ago modified 18d ago also GHSA-4rh7-jwg9-m28m , PYSEC-2026-3759 , EUVD-2026-60099
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
openssl_encrypt versions before 1.4.0 accept refresh tokens as URL query parameters in keyserver and telemetry server routes. Attackers can extract tokens from server logs, proxy logs, browser history, and HTTP Referer headers to gain unauthorized access.
Patch / fix
- pypi openssl-encrypt 1.4.0
- jahlives openssl_encrypt 1.4.0
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2mo ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | openssl-encrypt | <1.4.0 |
1.4.0 |
Affected products
- jahlives openssl_encrypt
Classification
- Weakness
-
- CWE-598 Use of HTTP Request With Sensitive Query String
References
-
github.com
/jahlives/openssl_encrypt/commit/4b2adb05cde8a7ee03cdd271755da3b377c68011
web
-
github.com
/jahlives/openssl_encrypt/security/advisories/GHSA-4rh7-jwg9-m28m
vendor-advisory, web, mitigation, advisory
-
vulncheck.com
/advisories/openssl-encrypt-before-token-leakage-via-query-parameters
third-party-advisory, advisory
-
github.com
/jahlives/openssl_encrypt
package
Sources
- CVE List CVE-2026-74880
- GitHub Advisory GHSA-4rh7-jwg9-m28m
- NVD CVE-2026-74880
- OSV PYSEC-2026-3759
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