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CVE-2026-33981

22
FAUCET Score

CVE-2026-33981 affects changedetection.io versions prior to 0.54.7, enabling authenticated users (or unauthenticated if no password is configured) to leak sensitive environment variables. This vulnerability arises from the `jq:` and `jqraw:` include filter expressions' ability to use the jq `env` builtin, which captures all process environment variables, including secrets like `SALTED_PASS` or `HTTP_PROXY`. Rated with a CVSSv4 score of 8.3 HIGH, this flaw (CWE-200) presents a high confidentiality impact with a network attack vector and low attack complexity. Currently, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion, with the vulnerability not appearing on the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.54.7CPE matchmatch criteria
cpe:2.3:a:webtechnologies:changedetection:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.3HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
HIGH
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 48th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: changedetection.ioFixed in: 0.54.7

Vendor Advisories (1)

pipGHSA-58r7-4wr5-hfx8high

Changedetection.io Discloses Environment Variables via jq env Builtin in Include Filters

Mar 27, 2026

References

github.com / dgtlmoon/changedetection.io/commit/65517a9c74a0cbe1a4661314470b28131ef5557f
Patch
github.com / dgtlmoon/changedetection.io/releases/tag/0.54.7
ProductRelease Notes
github.com / dgtlmoon/changedetection.io/security/advisories/GHSA-58r7-4wr5-hfx8
ExploitVendor Advisory