A number or object is predictable based on observations that the attacker can make about the state of the system or network, such as time, process ID, etc.
Volume of CVEs assigned to CWE-341 and their average CVSS base score over time.
Top CVEs that have been assigned this CWE. A single CVE can have multiple CWE assignments, though many have just one.
15 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-5081CRITICAL Apache::Session::Generate::ModUniqueId versions from 1.54 through 1.94 for Perl session ids are insecure.
Apache::Session::Generate::ModUniqueId (added in version 1.54) uses the v | May 6, 2026 | 9.1 | 39 | NO | NO |
CVE-2026-38968CRITICAL ntopng through 6.6 is vulnerable to Predictable Session Identifier which can lead to Session Hijacking. HTTP session identifiers in src/HTTPserver.cpp use weak time-seeded pseudo-r | Jul 2, 2026 | 9.8 | 38 | NO | NO |
CVE-2025-40780HIGH In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that | Oct 22, 2025 | 8.6 | 33 | NO | NO |
CVE-2026-42365HIGH A guessable session cookie vulnerability exists in the Web Interface functionality of GeoVision LPC2011/LPC2211 1.10. A specially crafted series of HTTP requests can lead to an aut | May 4, 2026 | 7.5 | 30 | NO | NO |
CVE-2026-40164HIGH jq is a command-line JSON processor. Before commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784, jq used MurmurHash3 with a hardcoded, publicly visible seed (0x432A9843) for all JSON o | Apr 14, 2026 | 7.5 | 30 | NO | NO |
CVE-2019-6563CRITICAL Moxa IKS and EDS generate a predictable cookie calculated with an MD5 hash, allowing an attacker to capture the administrator's password, which could lead to a full compromise of t | Mar 5, 2019 | 9.8 | 30 | NO | NO |
CVE-2026-36609HIGH Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 uses a static authentication nonce that does not change between requests from the same source IP. Combined with the | Jun 3, 2026 | 7.3 | 28 | NO | NO |
CVE-2020-5365HIGH Dell EMC Isilon versions 8.2.2 and earlier contain a remotesupport vulnerability. The pre-configured support account, remotesupport, is bundled in the Dell EMC Isilon OneFS install | May 20, 2020 | 7.5 | 25 | NO | NO |
CVE-2020-1731CRITICAL A flaw was found in all versions of the Keycloak operator, before version 8.0.2,(community only) where the operator generates a random admin password when installing Keycloak, howe | Mar 2, 2020 | 9.8 | 24 | NO | NO |
CVE-2024-10141HIGH A vulnerability, which was classified as problematic, was found in jsbroks COCO Annotator 0.11.1. This affects an unknown part of the component Session Handler. The manipulation of | Oct 19, 2024 | 8.1 | 22 | NO | NO |
Exploit activity across CVEs assigned to this CWE, including CVEs that carry other CWE assignments.
Social posts that mention CVE IDs assigned to this CWE. This is assigned-CVE activity, not mentions of the CWE label itself.
Media articles that mention CVE IDs assigned to this CWE. This is assigned-CVE coverage, not mentions of the CWE label itself.